diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/drawable-xxhdpi/style0.jpg b/model_zoo/official/lite/car_classification/app/src/main/res/drawable-xxhdpi/style0.jpg
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diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/drawable-xxhdpi/style6.jpg b/model_zoo/official/lite/car_classification/app/src/main/res/drawable-xxhdpi/style6.jpg
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diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/drawable-xxhdpi/style7.jpg b/model_zoo/official/lite/car_classification/app/src/main/res/drawable-xxhdpi/style7.jpg
deleted file mode 100644
index 7404ec8d98..0000000000
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diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/drawable-xxhdpi/style8.jpg b/model_zoo/official/lite/car_classification/app/src/main/res/drawable-xxhdpi/style8.jpg
deleted file mode 100644
index cc6cc8dd9c..0000000000
Binary files a/model_zoo/official/lite/car_classification/app/src/main/res/drawable-xxhdpi/style8.jpg and /dev/null differ
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/drawable-xxhdpi/style9.jpg b/model_zoo/official/lite/car_classification/app/src/main/res/drawable-xxhdpi/style9.jpg
deleted file mode 100644
index 5412d6730b..0000000000
Binary files a/model_zoo/official/lite/car_classification/app/src/main/res/drawable-xxhdpi/style9.jpg and /dev/null differ
diff --git a/model_zoo/official/lite/car_classification/settings.gradle b/model_zoo/official/lite/car_classification/settings.gradle
deleted file mode 100644
index f761014d56..0000000000
--- a/model_zoo/official/lite/car_classification/settings.gradle
+++ /dev/null
@@ -1,2 +0,0 @@
-include ':app'
-rootProject.name = "CarClassification"
\ No newline at end of file
diff --git a/model_zoo/official/lite/car_classification/.gitignore b/model_zoo/official/lite/pet_classification/.gitignore
similarity index 100%
rename from model_zoo/official/lite/car_classification/.gitignore
rename to model_zoo/official/lite/pet_classification/.gitignore
diff --git a/model_zoo/official/lite/car_classification/app/.gitignore b/model_zoo/official/lite/pet_classification/app/.gitignore
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/.gitignore
rename to model_zoo/official/lite/pet_classification/app/.gitignore
diff --git a/model_zoo/official/lite/car_classification/app/CMakeLists.txt b/model_zoo/official/lite/pet_classification/app/CMakeLists.txt
similarity index 86%
rename from model_zoo/official/lite/car_classification/app/CMakeLists.txt
rename to model_zoo/official/lite/pet_classification/app/CMakeLists.txt
index 7aebd0a5a1..08b01d83aa 100644
--- a/model_zoo/official/lite/car_classification/app/CMakeLists.txt
+++ b/model_zoo/official/lite/pet_classification/app/CMakeLists.txt
@@ -6,9 +6,9 @@
 cmake_minimum_required(VERSION 3.4.1)
 
 set(CMAKE_VERBOSE_MAKEFILE on)
-set(CMAKE_LIBRARY_OUTPUT_DIRECTORY  ${CMAKE_SOURCE_DIR}/libs/${ANDROID_ABI})
+set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR}/libs/${ANDROID_ABI})
 
-set(MINDSPORELITE_VERSION  mindspore-lite-1.0.1-runtime-arm64-cpu)
+set(MINDSPORELITE_VERSION mindspore-lite-1.0.1-runtime-arm64-cpu)
 
 # ============== Set MindSpore Dependencies. =============
 include_directories(${CMAKE_SOURCE_DIR}/src/main/cpp)
@@ -19,9 +19,9 @@ include_directories(${CMAKE_SOURCE_DIR}/src/main/cpp/${MINDSPORELITE_VERSION}/in
 include_directories(${CMAKE_SOURCE_DIR}/src/main/cpp/${MINDSPORELITE_VERSION}/include/schema)
 include_directories(${CMAKE_SOURCE_DIR}/src/main/cpp/${MINDSPORELITE_VERSION}/minddata/include)
 
-add_library(mindspore-lite SHARED IMPORTED )
-add_library(minddata-lite SHARED IMPORTED )
-add_library(libmindspore-lite-fp16 SHARED IMPORTED )
+add_library(mindspore-lite SHARED IMPORTED)
+add_library(minddata-lite SHARED IMPORTED)
+add_library(libmindspore-lite-fp16 SHARED IMPORTED)
 
 set_target_properties(mindspore-lite PROPERTIES IMPORTED_LOCATION
         ${CMAKE_SOURCE_DIR}/src/main/cpp/${MINDSPORELITE_VERSION}/lib/libmindspore-lite.so)
@@ -37,7 +37,7 @@ set_target_properties(libmindspore-lite-fp16 PROPERTIES IMPORTED_LOCATION
 # You can define multiple libraries, and CMake builds them for you.
 # Gradle automatically packages shared libraries with your APK.
 
-file(GLOB_RECURSE cpp_src "src/main/cpp/*.cpp"  "src/main/cpp/*.h")
+file(GLOB_RECURSE cpp_src "src/main/cpp/*.cpp" "src/main/cpp/*.h")
 
 add_library( # Sets the name of the library.
         mlkit-label-MS
@@ -55,15 +55,14 @@ add_library( # Sets the name of the library.
 # you want to add. CMake verifies that the library exists before
 # completing its build.
 
-find_library( # Sets the name of the path variable.
+find_library(# Sets the name of the path variable.
         log-lib
-
         # Specifies the name of the NDK library that
         # you want CMake to locate.
-        log )
+        log)
 
 
-find_library( jnigraphics-lib jnig·raphics )
+find_library(jnigraphics-lib jnig·raphics)
 
 # Specifies libraries CMake should link to your target library. You
 # can link multiple libraries, such as libraries you define in this
diff --git a/model_zoo/official/lite/car_classification/app/build.gradle b/model_zoo/official/lite/pet_classification/app/build.gradle
similarity index 97%
rename from model_zoo/official/lite/car_classification/app/build.gradle
rename to model_zoo/official/lite/pet_classification/app/build.gradle
index 54cfef0c67..eea533d92a 100644
--- a/model_zoo/official/lite/car_classification/app/build.gradle
+++ b/model_zoo/official/lite/pet_classification/app/build.gradle
@@ -5,7 +5,7 @@ android {
     buildToolsVersion "30.0.1"
 
     defaultConfig {
-        applicationId "com.mindspore.classificationforcar"
+        applicationId "com.mindspore.classificationforpet"
         minSdkVersion 21
         targetSdkVersion 30
         versionCode 1
diff --git a/model_zoo/official/lite/car_classification/app/download.gradle b/model_zoo/official/lite/pet_classification/app/download.gradle
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/download.gradle
rename to model_zoo/official/lite/pet_classification/app/download.gradle
diff --git a/model_zoo/official/lite/car_classification/app/proguard-rules.pro b/model_zoo/official/lite/pet_classification/app/proguard-rules.pro
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/proguard-rules.pro
rename to model_zoo/official/lite/pet_classification/app/proguard-rules.pro
diff --git a/model_zoo/official/lite/car_classification/app/src/androidTest/java/com/mindspore/classificationforcar/ExampleInstrumentedTest.java b/model_zoo/official/lite/pet_classification/app/src/androidTest/java/com/mindspore/classificationforpet/ExampleInstrumentedTest.java
similarity index 96%
rename from model_zoo/official/lite/car_classification/app/src/androidTest/java/com/mindspore/classificationforcar/ExampleInstrumentedTest.java
rename to model_zoo/official/lite/pet_classification/app/src/androidTest/java/com/mindspore/classificationforpet/ExampleInstrumentedTest.java
index 02166db6a0..fba0e2c36c 100644
--- a/model_zoo/official/lite/car_classification/app/src/androidTest/java/com/mindspore/classificationforcar/ExampleInstrumentedTest.java
+++ b/model_zoo/official/lite/pet_classification/app/src/androidTest/java/com/mindspore/classificationforpet/ExampleInstrumentedTest.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.mindspore.classificationforcar;
+package com.mindspore.classificationforpet;
 
 import android.content.Context;
 
diff --git a/model_zoo/official/lite/car_classification/app/src/main/AndroidManifest.xml b/model_zoo/official/lite/pet_classification/app/src/main/AndroidManifest.xml
similarity index 89%
rename from model_zoo/official/lite/car_classification/app/src/main/AndroidManifest.xml
rename to model_zoo/official/lite/pet_classification/app/src/main/AndroidManifest.xml
index 29ea0e0bca..d1bf88980f 100644
--- a/model_zoo/official/lite/car_classification/app/src/main/AndroidManifest.xml
+++ b/model_zoo/official/lite/pet_classification/app/src/main/AndroidManifest.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
-    package="com.mindspore.classificationforcar"
+    package="com.mindspore.classificationforpet"
     android:versionCode="1"
     android:versionName="1.0">
 
@@ -21,7 +21,7 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity android:name="com.mindspore.classificationforcar.widget.MainActivity"
+        <activity android:name="com.mindspore.classificationforpet.widget.MainActivity"
             android:screenOrientation="portrait"
             >
             <intent-filter>
@@ -30,13 +30,13 @@
             </intent-filter>
         </activity>
         <activity
-            android:name="com.mindspore.classificationforcar.widget.CameraActivity"
+            android:name="com.mindspore.classificationforpet.widget.CameraActivity"
             android:screenOrientation="portrait">
         </activity>
 
         <provider
             android:name="androidx.core.content.FileProvider"
-            android:authorities="com.mindspore.classificationforcar.fileprovider"
+            android:authorities="com.mindspore.classificationforpet.fileprovider"
             android:exported="false"
             tools:replace="android:authorities"
             android:grantUriPermissions="true">
diff --git a/model_zoo/official/lite/car_classification/app/src/main/assets/model/car.ms b/model_zoo/official/lite/pet_classification/app/src/main/assets/model/car.ms
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/assets/model/car.ms
rename to model_zoo/official/lite/pet_classification/app/src/main/assets/model/car.ms
diff --git a/model_zoo/official/lite/car_classification/app/src/main/assets/model/mobilenetv2.ms b/model_zoo/official/lite/pet_classification/app/src/main/assets/model/mobilenetv2.ms
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/assets/model/mobilenetv2.ms
rename to model_zoo/official/lite/pet_classification/app/src/main/assets/model/mobilenetv2.ms
diff --git a/model_zoo/official/lite/car_classification/app/src/main/cpp/ImageMindSporeNetnative.cpp b/model_zoo/official/lite/pet_classification/app/src/main/cpp/ImageMindSporeNetnative.cpp
similarity index 99%
rename from model_zoo/official/lite/car_classification/app/src/main/cpp/ImageMindSporeNetnative.cpp
rename to model_zoo/official/lite/pet_classification/app/src/main/cpp/ImageMindSporeNetnative.cpp
index 61d9217711..4c89c26342 100644
--- a/model_zoo/official/lite/car_classification/app/src/main/cpp/ImageMindSporeNetnative.cpp
+++ b/model_zoo/official/lite/pet_classification/app/src/main/cpp/ImageMindSporeNetnative.cpp
@@ -313,7 +313,7 @@ static const char *labels_name_map[RET_CATEGORY_SUM] = {
         "Crochet",
         "Sailboat",
         "Newspaper",
-        "Santa claus",
+        "Santa Claus",
         "Swamp",
         "Skyscraper",
         "Skin",
@@ -672,7 +672,7 @@ bool ImagePreProcessImageData(const LiteMat &lite_mat_bgr, LiteMat *lite_norm_ma
  */
 extern "C"
 JNIEXPORT jlong JNICALL
-Java_com_mindspore_classificationforcar_gallery_classify_ImageTrackingMobile_loadModel(JNIEnv *env,
+Java_com_mindspore_classificationforpet_gallery_classify_ImageTrackingMobile_loadModel(JNIEnv *env,
                                                                                       jobject thiz,
                                                                                       jobject model_buffer,
                                                                                       jint num_thread) {
@@ -722,7 +722,7 @@ Java_com_mindspore_classificationforcar_gallery_classify_ImageTrackingMobile_loa
  * sending a picture to the model and run inference.
  */
 extern "C" JNIEXPORT jstring JNICALL
-Java_com_mindspore_classificationforcar_gallery_classify_ImageTrackingMobile_runNet(JNIEnv *env,
+Java_com_mindspore_classificationforpet_gallery_classify_ImageTrackingMobile_runNet(JNIEnv *env,
                                                                                    jclass type,
                                                                                    jlong netEnv,
                                                                                    jobject srcBitmap) {
@@ -796,7 +796,7 @@ Java_com_mindspore_classificationforcar_gallery_classify_ImageTrackingMobile_run
 }
 
 extern "C" JNIEXPORT jboolean JNICALL
-Java_com_mindspore_classificationforcar_gallery_classify_ImageTrackingMobile_unloadModel(JNIEnv *env,
+Java_com_mindspore_classificationforpet_gallery_classify_ImageTrackingMobile_unloadModel(JNIEnv *env,
                                                                                         jclass type,
                                                                                         jlong netEnv) {
     MS_PRINT("MindSpore release net.");
diff --git a/model_zoo/official/lite/car_classification/app/src/main/cpp/ImageMindSporeNetnative.h b/model_zoo/official/lite/pet_classification/app/src/main/cpp/ImageMindSporeNetnative.h
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/cpp/ImageMindSporeNetnative.h
rename to model_zoo/official/lite/pet_classification/app/src/main/cpp/ImageMindSporeNetnative.h
diff --git a/model_zoo/official/lite/car_classification/app/src/main/cpp/MSNetWork.cpp b/model_zoo/official/lite/pet_classification/app/src/main/cpp/MSNetWork.cpp
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/cpp/MSNetWork.cpp
rename to model_zoo/official/lite/pet_classification/app/src/main/cpp/MSNetWork.cpp
diff --git a/model_zoo/official/lite/car_classification/app/src/main/cpp/MSNetWork.h b/model_zoo/official/lite/pet_classification/app/src/main/cpp/MSNetWork.h
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/cpp/MSNetWork.h
rename to model_zoo/official/lite/pet_classification/app/src/main/cpp/MSNetWork.h
diff --git a/model_zoo/official/lite/car_classification/app/src/main/cpp/MindSporeNetnative.cpp b/model_zoo/official/lite/pet_classification/app/src/main/cpp/MindSporeNetnative.cpp
similarity index 93%
rename from model_zoo/official/lite/car_classification/app/src/main/cpp/MindSporeNetnative.cpp
rename to model_zoo/official/lite/pet_classification/app/src/main/cpp/MindSporeNetnative.cpp
index a18c538180..5632d58301 100644
--- a/model_zoo/official/lite/car_classification/app/src/main/cpp/MindSporeNetnative.cpp
+++ b/model_zoo/official/lite/pet_classification/app/src/main/cpp/MindSporeNetnative.cpp
@@ -36,18 +36,10 @@ using mindspore::dataset::LDataType;
 #define MS_PRINT(format, ...) __android_log_print(ANDROID_LOG_INFO, "MSJNI", format, ##__VA_ARGS__)
 
 
-static const int RET_CAR_DETAILED_SUM = 10;
-static const char *labels_name_car_detailed_map[RET_CAR_DETAILED_SUM] = {
-        {"大客车"},
-        {"出租车"},
-        {"中小型货车"},
-        {"小轿车"},
-        {"面包车"},
-        {"越野车"},
-        {"SUV"},
-        {"卡车"},
-        {"赛车"},
-        {"消防车"},
+static const int RET_PET_DETAILED_SUM = 2;
+static const char *labels_name_pet_detailed_map[RET_PET_DETAILED_SUM] = {
+        {"猫"},
+        {"狗"}
 };
 
 
@@ -78,7 +70,7 @@ std::string ProcessRunnetResult(const int RET_CATEGORY_SUM, const char *const la
     float *temp_scores = static_cast<float *>(outputTensor->MutableData());
     float max = 0.0;
     int maxIndex = 0;
-    for (int i = 0; i < RET_CAR_DETAILED_SUM; ++i) {
+    for (int i = 0; i < RET_PET_DETAILED_SUM; ++i) {
         if (temp_scores[i] > max) {
             max = temp_scores[i];
             maxIndex = i;
@@ -164,7 +156,7 @@ bool PreProcessImageData(const LiteMat &lite_mat_bgr, LiteMat *lite_norm_mat_ptr
  */
 extern "C"
 JNIEXPORT jlong JNICALL
-Java_com_mindspore_classificationforcar_gallery_classify_TrackingMobile_loadModel(JNIEnv *env,
+Java_com_mindspore_classificationforpet_gallery_classify_TrackingMobile_loadModel(JNIEnv *env,
                                                                              jobject thiz,
                                                                              jobject model_buffer,
                                                                              jint num_thread) {
@@ -214,7 +206,7 @@ Java_com_mindspore_classificationforcar_gallery_classify_TrackingMobile_loadMode
  * sending a picture to the model and run inference.
  */
 extern "C" JNIEXPORT jstring JNICALL
-Java_com_mindspore_classificationforcar_gallery_classify_TrackingMobile_runNet(JNIEnv *env, jclass type,
+Java_com_mindspore_classificationforpet_gallery_classify_TrackingMobile_runNet(JNIEnv *env, jclass type,
                                                                           jlong netEnv,
                                                                           jobject srcBitmap) {
     LiteMat lite_mat_bgr, lite_norm_mat_cut;
@@ -280,15 +272,15 @@ Java_com_mindspore_classificationforcar_gallery_classify_TrackingMobile_runNet(J
         msOutputs.insert(std::pair<std::string, mindspore::tensor::MSTensor *>{name, temp_dat});
     }
 
-    std::string resultStr = ProcessRunnetResult(::RET_CAR_DETAILED_SUM,
-                                                ::labels_name_car_detailed_map, msOutputs);
+    std::string resultStr = ProcessRunnetResult(::RET_PET_DETAILED_SUM,
+                                                ::labels_name_pet_detailed_map, msOutputs);
 
     const char *resultCharData = resultStr.c_str();
     return (env)->NewStringUTF(resultCharData);
 }
 
 extern "C" JNIEXPORT jboolean JNICALL
-Java_com_mindspore_classificationforcar_gallery_classify_TrackingMobile_unloadModel(JNIEnv *env,
+Java_com_mindspore_classificationforpet_gallery_classify_TrackingMobile_unloadModel(JNIEnv *env,
                                                                                jclass type,
                                                                                jlong netEnv) {
     MS_PRINT("MindSpore release net.");
diff --git a/model_zoo/official/lite/car_classification/app/src/main/cpp/MindSporeNetnative.h b/model_zoo/official/lite/pet_classification/app/src/main/cpp/MindSporeNetnative.h
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/cpp/MindSporeNetnative.h
rename to model_zoo/official/lite/pet_classification/app/src/main/cpp/MindSporeNetnative.h
diff --git a/model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/gallery/classify/BitmapUtils.java b/model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/gallery/classify/BitmapUtils.java
similarity index 99%
rename from model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/gallery/classify/BitmapUtils.java
rename to model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/gallery/classify/BitmapUtils.java
index 5cdc7e6179..f4b677c5d4 100644
--- a/model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/gallery/classify/BitmapUtils.java
+++ b/model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/gallery/classify/BitmapUtils.java
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.mindspore.classificationforcar.gallery.classify;
+package com.mindspore.classificationforpet.gallery.classify;
 
 import android.app.Activity;
 import android.content.ContentResolver;
diff --git a/model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/gallery/classify/CompareSizesByArea.java b/model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/gallery/classify/CompareSizesByArea.java
similarity index 94%
rename from model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/gallery/classify/CompareSizesByArea.java
rename to model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/gallery/classify/CompareSizesByArea.java
index 3a187fb842..a6c8d0ab86 100644
--- a/model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/gallery/classify/CompareSizesByArea.java
+++ b/model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/gallery/classify/CompareSizesByArea.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.mindspore.classificationforcar.gallery.classify;
+package com.mindspore.classificationforpet.gallery.classify;
 
 import android.util.Size;
 import java.util.Comparator;
diff --git a/model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/gallery/classify/ImageTrackingMobile.java b/model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/gallery/classify/ImageTrackingMobile.java
similarity index 98%
rename from model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/gallery/classify/ImageTrackingMobile.java
rename to model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/gallery/classify/ImageTrackingMobile.java
index ac951e8a1f..a65905ca5e 100644
--- a/model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/gallery/classify/ImageTrackingMobile.java
+++ b/model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/gallery/classify/ImageTrackingMobile.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.mindspore.classificationforcar.gallery.classify;
+package com.mindspore.classificationforpet.gallery.classify;
 
 import android.content.Context;
 import android.graphics.Bitmap;
diff --git a/model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/gallery/classify/RecognitionImageBean.java b/model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/gallery/classify/RecognitionImageBean.java
similarity index 94%
rename from model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/gallery/classify/RecognitionImageBean.java
rename to model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/gallery/classify/RecognitionImageBean.java
index 4fb7c6e6f9..018088bf50 100644
--- a/model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/gallery/classify/RecognitionImageBean.java
+++ b/model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/gallery/classify/RecognitionImageBean.java
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.mindspore.classificationforcar.gallery.classify;
+package com.mindspore.classificationforpet.gallery.classify;
 
 public class RecognitionImageBean {
 
diff --git a/model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/gallery/classify/TrackingMobile.java b/model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/gallery/classify/TrackingMobile.java
similarity index 98%
rename from model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/gallery/classify/TrackingMobile.java
rename to model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/gallery/classify/TrackingMobile.java
index bcc96730fe..8c91fe94fc 100644
--- a/model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/gallery/classify/TrackingMobile.java
+++ b/model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/gallery/classify/TrackingMobile.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.mindspore.classificationforcar.gallery.classify;
+package com.mindspore.classificationforpet.gallery.classify;
 
 import android.content.Context;
 import android.graphics.Bitmap;
diff --git a/model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/widget/AutoFitTextureView.java b/model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/widget/AutoFitTextureView.java
similarity index 98%
rename from model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/widget/AutoFitTextureView.java
rename to model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/widget/AutoFitTextureView.java
index f2123c6ebe..ee90a9bd66 100644
--- a/model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/widget/AutoFitTextureView.java
+++ b/model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/widget/AutoFitTextureView.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.mindspore.classificationforcar.widget;
+package com.mindspore.classificationforpet.widget;
 
 import android.content.Context;
 import android.util.AttributeSet;
diff --git a/model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/widget/CameraActivity.java b/model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/widget/CameraActivity.java
similarity index 92%
rename from model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/widget/CameraActivity.java
rename to model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/widget/CameraActivity.java
index f68ba3606c..7aa59d89e5 100644
--- a/model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/widget/CameraActivity.java
+++ b/model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/widget/CameraActivity.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.mindspore.classificationforcar.widget;
+package com.mindspore.classificationforpet.widget;
 
 import android.graphics.Bitmap;
 import android.os.Bundle;
@@ -26,10 +26,10 @@ import androidx.annotation.Nullable;
 import androidx.annotation.UiThread;
 import androidx.appcompat.app.AppCompatActivity;
 
-import com.mindspore.classificationforcar.R;
-import com.mindspore.classificationforcar.gallery.classify.ImageTrackingMobile;
-import com.mindspore.classificationforcar.gallery.classify.RecognitionImageBean;
-import com.mindspore.classificationforcar.gallery.classify.TrackingMobile;
+import com.mindspore.classificationforpet.R;
+import com.mindspore.classificationforpet.gallery.classify.ImageTrackingMobile;
+import com.mindspore.classificationforpet.gallery.classify.RecognitionImageBean;
+import com.mindspore.classificationforpet.gallery.classify.TrackingMobile;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -44,7 +44,7 @@ public class CameraActivity extends AppCompatActivity {
     private static final String IMAGE_SCENE_MS = "model/mobilenetv2.ms";
 
     private String filePath;
-    private boolean isCarModel;
+    private boolean isPetModel;
     private TrackingMobile trackingMobile;
     private ImageTrackingMobile imageTrackingMobile;
 
@@ -58,10 +58,10 @@ public class CameraActivity extends AppCompatActivity {
         setContentView(R.layout.activity_camera);
 
         filePath = getIntent().getStringExtra("FILEPATH");
-        isCarModel = getIntent().getBooleanExtra("ISHASCARMODELFILE", false);
+        isPetModel = getIntent().getBooleanExtra("ISHASPetMODELFILE", false);
         resultText = findViewById(R.id.textResult);
 
-        if (isCarModel) {
+        if (isPetModel) {
             trackingMobile = new TrackingMobile(this);
             boolean ret = trackingMobile.loadModelFromBuf(filePath);
             if (!ret) {
@@ -92,7 +92,7 @@ public class CameraActivity extends AppCompatActivity {
 
     private void initMindspore(Bitmap bitmap) {
         // run net.
-        if (isCarModel) {
+        if (isPetModel) {
             long startTime = System.currentTimeMillis();
             String result = trackingMobile.MindSpore_runnet(bitmap);
             long endTime = System.currentTimeMillis();
diff --git a/model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/widget/CameraFragment.java b/model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/widget/CameraFragment.java
similarity index 99%
rename from model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/widget/CameraFragment.java
rename to model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/widget/CameraFragment.java
index cc598441c0..c027e00155 100644
--- a/model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/widget/CameraFragment.java
+++ b/model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/widget/CameraFragment.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.mindspore.classificationforcar.widget;
+package com.mindspore.classificationforpet.widget;
 
 import android.annotation.SuppressLint;
 import android.app.Activity;
@@ -56,9 +56,9 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.fragment.app.Fragment;
 
-import com.mindspore.classificationforcar.R;
-import com.mindspore.classificationforcar.gallery.classify.CompareSizesByArea;
-import com.mindspore.classificationforcar.gallery.classify.TrackingMobile;
+import com.mindspore.classificationforpet.R;
+import com.mindspore.classificationforpet.gallery.classify.CompareSizesByArea;
+import com.mindspore.classificationforpet.gallery.classify.TrackingMobile;
 
 import java.io.File;
 import java.util.ArrayList;
diff --git a/model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/widget/MainActivity.java b/model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/widget/MainActivity.java
similarity index 93%
rename from model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/widget/MainActivity.java
rename to model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/widget/MainActivity.java
index fd986c8386..673dfd4dd1 100644
--- a/model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/widget/MainActivity.java
+++ b/model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/widget/MainActivity.java
@@ -1,4 +1,4 @@
-package com.mindspore.classificationforcar.widget;
+package com.mindspore.classificationforpet.widget;
 
 import android.Manifest;
 import android.content.DialogInterface;
@@ -31,11 +31,11 @@ import androidx.core.content.FileProvider;
 import androidx.recyclerview.widget.GridLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
-import com.mindspore.classificationforcar.R;
-import com.mindspore.classificationforcar.gallery.classify.BitmapUtils;
-import com.mindspore.classificationforcar.gallery.classify.ImageTrackingMobile;
-import com.mindspore.classificationforcar.gallery.classify.RecognitionImageBean;
-import com.mindspore.classificationforcar.gallery.classify.TrackingMobile;
+import com.mindspore.classificationforpet.R;
+import com.mindspore.classificationforpet.gallery.classify.BitmapUtils;
+import com.mindspore.classificationforpet.gallery.classify.ImageTrackingMobile;
+import com.mindspore.classificationforpet.gallery.classify.RecognitionImageBean;
+import com.mindspore.classificationforpet.gallery.classify.TrackingMobile;
 
 import java.io.File;
 import java.io.FileNotFoundException;
@@ -52,18 +52,16 @@ public class MainActivity extends AppCompatActivity implements OnBackgroundImage
     private static final int REQUEST_PERMISSION = 0;
 
     private static final int[] IMAGES = {R.drawable.style0, R.drawable.style1, R.drawable.style2, R.drawable.style3, R.drawable.style4,
-            R.drawable.style5, R.drawable.style6, R.drawable.style7, R.drawable.style8, R.drawable.style9,
-            R.drawable.style10, R.drawable.style11, R.drawable.style12, R.drawable.style13, R.drawable.style14,
-            R.drawable.style15, R.drawable.style16, R.drawable.style17, R.drawable.style18, R.drawable.style19};
+            R.drawable.style5, R.drawable.style6, R.drawable.style7, R.drawable.style8, R.drawable.style9};
 
     private static final int RC_CHOOSE_PHOTO = 1;
     private static final int RC_CHOOSE_CAMERA = 2;
     private static final String IMAGE_SCENE_MS = "model/mobilenetv2.ms";
 
     private boolean isAllGranted;
-    private static final String CAR_MS = "car.ms";
-    private File ROOT_FILE = new File(Environment.getExternalStorageDirectory().getAbsoluteFile(), "CarClassification");
-    private File DIR_FILE = new File(ROOT_FILE, CAR_MS);
+    private static final String Pet_MS = "pet.ms";
+    private File ROOT_FILE = new File(Environment.getExternalStorageDirectory().getAbsoluteFile(), "PetClassification");
+    private File DIR_FILE = new File(ROOT_FILE, Pet_MS);
 
     private ImageView imgPreview;
     private Uri imageUri;
@@ -153,7 +151,7 @@ public class MainActivity extends AppCompatActivity implements OnBackgroundImage
         builder.show();
     }
 
-    public boolean isHasCarModelFile() {
+    public boolean isHasPetModelFile() {
         if (DIR_FILE.exists()) {
             return true;
         } else {
@@ -183,7 +181,7 @@ public class MainActivity extends AppCompatActivity implements OnBackgroundImage
     public void onClickScene(View view) {
         Intent intent = new Intent(MainActivity.this, CameraActivity.class);
         intent.putExtra("FILEPATH", DIR_FILE.getPath());
-        intent.putExtra("ISHASCARMODELFILE", isHasCarModelFile());
+        intent.putExtra("ISHASPetMODELFILE", isHasPetModelFile());
         startActivity(intent);
     }
 
@@ -256,7 +254,7 @@ public class MainActivity extends AppCompatActivity implements OnBackgroundImage
     private void initMindspore(Bitmap bitmap) {
         progressBar.setVisibility(View.VISIBLE);
 
-        if (isHasCarModelFile()) {
+        if (isHasPetModelFile()) {
             boolean ret = trackingMobile.loadModelFromBuf(DIR_FILE.getPath());
             if (!ret) {
                 textResult.setText("Load model error.");
diff --git a/model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/widget/OnBackgroundImageListener.java b/model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/widget/OnBackgroundImageListener.java
similarity index 75%
rename from model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/widget/OnBackgroundImageListener.java
rename to model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/widget/OnBackgroundImageListener.java
index 2eab47c9c7..a8b416e114 100644
--- a/model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/widget/OnBackgroundImageListener.java
+++ b/model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/widget/OnBackgroundImageListener.java
@@ -1,4 +1,4 @@
-package com.mindspore.classificationforcar.widget;
+package com.mindspore.classificationforpet.widget;
 
 import android.view.View;
 
diff --git a/model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/widget/RecyclerViewAdapter.java b/model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/widget/RecyclerViewAdapter.java
similarity index 96%
rename from model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/widget/RecyclerViewAdapter.java
rename to model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/widget/RecyclerViewAdapter.java
index 99462d8146..79f18661fd 100644
--- a/model_zoo/official/lite/car_classification/app/src/main/java/com/mindspore/classificationforcar/widget/RecyclerViewAdapter.java
+++ b/model_zoo/official/lite/pet_classification/app/src/main/java/com/mindspore/classificationforpet/widget/RecyclerViewAdapter.java
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.mindspore.classificationforcar.widget;
+package com.mindspore.classificationforpet.widget;
 
 import android.content.Context;
 import android.view.LayoutInflater;
@@ -25,7 +25,7 @@ import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.bumptech.glide.Glide;
-import com.mindspore.classificationforcar.R;
+import com.mindspore.classificationforpet.R;
 
 public class RecyclerViewAdapter extends RecyclerView.Adapter<RecyclerViewAdapter.StyleItemViewHolder> {
 
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
rename to model_zoo/official/lite/pet_classification/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/drawable-xxhdpi/logo.png b/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/logo.png
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/drawable-xxhdpi/logo.png
rename to model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/logo.png
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/drawable-xxhdpi/logo2.png b/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/logo2.png
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/drawable-xxhdpi/logo2.png
rename to model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/logo2.png
diff --git a/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style0.jpg b/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style0.jpg
new file mode 100644
index 0000000000..1b15ce8ab7
Binary files /dev/null and b/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style0.jpg differ
diff --git a/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style1.jpg b/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style1.jpg
new file mode 100644
index 0000000000..4c8d57864c
Binary files /dev/null and b/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style1.jpg differ
diff --git a/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style2.jpg b/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style2.jpg
new file mode 100644
index 0000000000..8184f44bd1
Binary files /dev/null and b/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style2.jpg differ
diff --git a/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style3.jpg b/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style3.jpg
new file mode 100644
index 0000000000..54d4a2a24f
Binary files /dev/null and b/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style3.jpg differ
diff --git a/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style4.jpg b/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style4.jpg
new file mode 100644
index 0000000000..5408c8a840
Binary files /dev/null and b/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style4.jpg differ
diff --git a/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style5.jpg b/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style5.jpg
new file mode 100644
index 0000000000..553efa6b4c
Binary files /dev/null and b/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style5.jpg differ
diff --git a/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style6.jpg b/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style6.jpg
new file mode 100644
index 0000000000..a6a878c189
Binary files /dev/null and b/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style6.jpg differ
diff --git a/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style7.jpg b/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style7.jpg
new file mode 100644
index 0000000000..3aa16aa86f
Binary files /dev/null and b/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style7.jpg differ
diff --git a/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style8.jpg b/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style8.jpg
new file mode 100644
index 0000000000..72877cc980
Binary files /dev/null and b/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style8.jpg differ
diff --git a/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style9.jpg b/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style9.jpg
new file mode 100644
index 0000000000..713a4fcd96
Binary files /dev/null and b/model_zoo/official/lite/pet_classification/app/src/main/res/drawable-xxhdpi/style9.jpg differ
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/drawable/ic_launcher_background.xml b/model_zoo/official/lite/pet_classification/app/src/main/res/drawable/ic_launcher_background.xml
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/drawable/ic_launcher_background.xml
rename to model_zoo/official/lite/pet_classification/app/src/main/res/drawable/ic_launcher_background.xml
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/drawable/progressbar.xml b/model_zoo/official/lite/pet_classification/app/src/main/res/drawable/progressbar.xml
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/drawable/progressbar.xml
rename to model_zoo/official/lite/pet_classification/app/src/main/res/drawable/progressbar.xml
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/drawable/rectangle.xml b/model_zoo/official/lite/pet_classification/app/src/main/res/drawable/rectangle.xml
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/drawable/rectangle.xml
rename to model_zoo/official/lite/pet_classification/app/src/main/res/drawable/rectangle.xml
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/drawable/switch_thumb.xml b/model_zoo/official/lite/pet_classification/app/src/main/res/drawable/switch_thumb.xml
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/drawable/switch_thumb.xml
rename to model_zoo/official/lite/pet_classification/app/src/main/res/drawable/switch_thumb.xml
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/drawable/switch_track.xml b/model_zoo/official/lite/pet_classification/app/src/main/res/drawable/switch_track.xml
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/drawable/switch_track.xml
rename to model_zoo/official/lite/pet_classification/app/src/main/res/drawable/switch_track.xml
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/layout/activity_camera.xml b/model_zoo/official/lite/pet_classification/app/src/main/res/layout/activity_camera.xml
similarity index 94%
rename from model_zoo/official/lite/car_classification/app/src/main/res/layout/activity_camera.xml
rename to model_zoo/official/lite/pet_classification/app/src/main/res/layout/activity_camera.xml
index 153f51149e..17131c9f18 100644
--- a/model_zoo/official/lite/car_classification/app/src/main/res/layout/activity_camera.xml
+++ b/model_zoo/official/lite/pet_classification/app/src/main/res/layout/activity_camera.xml
@@ -16,7 +16,7 @@
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             android:background="@android:color/black"
-            tools:context="com.mindspore.classificationforcar.widget.CameraActivity" />
+            tools:context="com.mindspore.classificationforpet.widget.CameraActivity" />
 
 
         <androidx.appcompat.widget.Toolbar
@@ -33,7 +33,7 @@
                 android:drawablePadding="5dp"
                 android:gravity="center_vertical"
                 android:maxLines="1"
-                android:text="MS Car Classification"
+                android:text="MS Pet Classification"
                 android:textColor="#ffffff"
                 android:textSize="20sp" />
         </androidx.appcompat.widget.Toolbar>
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/layout/activity_main.xml b/model_zoo/official/lite/pet_classification/app/src/main/res/layout/activity_main.xml
similarity index 98%
rename from model_zoo/official/lite/car_classification/app/src/main/res/layout/activity_main.xml
rename to model_zoo/official/lite/pet_classification/app/src/main/res/layout/activity_main.xml
index b5c433283b..16ba421aa7 100644
--- a/model_zoo/official/lite/car_classification/app/src/main/res/layout/activity_main.xml
+++ b/model_zoo/official/lite/pet_classification/app/src/main/res/layout/activity_main.xml
@@ -19,7 +19,7 @@
             android:drawablePadding="5dp"
             android:gravity="center_vertical"
             android:maxLines="1"
-            android:text="MS Car Classification"
+            android:text="MS Pet Classification"
             android:textColor="#ffffff"
             android:textSize="20sp" />
     </androidx.appcompat.widget.Toolbar>
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/layout/fragment_camera.xml b/model_zoo/official/lite/pet_classification/app/src/main/res/layout/fragment_camera.xml
similarity index 86%
rename from model_zoo/official/lite/car_classification/app/src/main/res/layout/fragment_camera.xml
rename to model_zoo/official/lite/pet_classification/app/src/main/res/layout/fragment_camera.xml
index 6e0897de31..c569114bc7 100644
--- a/model_zoo/official/lite/car_classification/app/src/main/res/layout/fragment_camera.xml
+++ b/model_zoo/official/lite/pet_classification/app/src/main/res/layout/fragment_camera.xml
@@ -5,7 +5,7 @@
     android:background="@color/white"
     android:orientation="vertical">
 
-    <com.mindspore.classificationforcar.widget.AutoFitTextureView
+    <com.mindspore.classificationforpet.widget.AutoFitTextureView
         android:id="@+id/texture"
         android:layout_width="match_parent"
         android:layout_height="match_parent" />
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/layout/image_item.xml b/model_zoo/official/lite/pet_classification/app/src/main/res/layout/image_item.xml
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/layout/image_item.xml
rename to model_zoo/official/lite/pet_classification/app/src/main/res/layout/image_item.xml
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/layout/layout_hor_text_view.xml b/model_zoo/official/lite/pet_classification/app/src/main/res/layout/layout_hor_text_view.xml
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/layout/layout_hor_text_view.xml
rename to model_zoo/official/lite/pet_classification/app/src/main/res/layout/layout_hor_text_view.xml
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
rename to model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
rename to model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/mipmap-hdpi/ic_launcher.png b/model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-hdpi/ic_launcher.png
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/mipmap-hdpi/ic_launcher.png
rename to model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-hdpi/ic_launcher.png
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png b/model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png
rename to model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/mipmap-hdpi/ic_launcher_round.png b/model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
rename to model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/mipmap-mdpi/ic_launcher.png b/model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-mdpi/ic_launcher.png
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/mipmap-mdpi/ic_launcher.png
rename to model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-mdpi/ic_launcher.png
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png b/model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png
rename to model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/mipmap-mdpi/ic_launcher_round.png b/model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
rename to model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-xhdpi/ic_launcher.png
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/mipmap-xhdpi/ic_launcher.png
rename to model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-xhdpi/ic_launcher.png
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png b/model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png
rename to model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png b/model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
rename to model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
rename to model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png b/model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png
rename to model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png b/model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
rename to model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/mipmap-xxhdpi/logo.png b/model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-xxhdpi/logo.png
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/mipmap-xxhdpi/logo.png
rename to model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-xxhdpi/logo.png
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
rename to model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png b/model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png
rename to model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png b/model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
rename to model_zoo/official/lite/pet_classification/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/values/colors.xml b/model_zoo/official/lite/pet_classification/app/src/main/res/values/colors.xml
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/values/colors.xml
rename to model_zoo/official/lite/pet_classification/app/src/main/res/values/colors.xml
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/values/dimens.xml b/model_zoo/official/lite/pet_classification/app/src/main/res/values/dimens.xml
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/values/dimens.xml
rename to model_zoo/official/lite/pet_classification/app/src/main/res/values/dimens.xml
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/values/ic_launcher_background.xml b/model_zoo/official/lite/pet_classification/app/src/main/res/values/ic_launcher_background.xml
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/values/ic_launcher_background.xml
rename to model_zoo/official/lite/pet_classification/app/src/main/res/values/ic_launcher_background.xml
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/values/strings.xml b/model_zoo/official/lite/pet_classification/app/src/main/res/values/strings.xml
similarity index 96%
rename from model_zoo/official/lite/car_classification/app/src/main/res/values/strings.xml
rename to model_zoo/official/lite/pet_classification/app/src/main/res/values/strings.xml
index 88ed5903bf..67ee8c22e9 100644
--- a/model_zoo/official/lite/car_classification/app/src/main/res/values/strings.xml
+++ b/model_zoo/official/lite/pet_classification/app/src/main/res/values/strings.xml
@@ -1,5 +1,5 @@
 <resources>
-    <string name="app_name">CarClassification</string>
+    <string name="app_name">PetClassification</string>
     <string name="action_settings">设置</string>
 
     <string name="request_permission">This sample needs camera permission.</string>
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/values/styles.xml b/model_zoo/official/lite/pet_classification/app/src/main/res/values/styles.xml
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/values/styles.xml
rename to model_zoo/official/lite/pet_classification/app/src/main/res/values/styles.xml
diff --git a/model_zoo/official/lite/car_classification/app/src/main/res/xml/file_paths.xml b/model_zoo/official/lite/pet_classification/app/src/main/res/xml/file_paths.xml
similarity index 100%
rename from model_zoo/official/lite/car_classification/app/src/main/res/xml/file_paths.xml
rename to model_zoo/official/lite/pet_classification/app/src/main/res/xml/file_paths.xml
diff --git a/model_zoo/official/lite/car_classification/app/src/test/java/com/mindspore/classificationforcar/ExampleUnitTest.java b/model_zoo/official/lite/pet_classification/app/src/test/java/com/mindspore/classificationforpet/ExampleUnitTest.java
similarity index 95%
rename from model_zoo/official/lite/car_classification/app/src/test/java/com/mindspore/classificationforcar/ExampleUnitTest.java
rename to model_zoo/official/lite/pet_classification/app/src/test/java/com/mindspore/classificationforpet/ExampleUnitTest.java
index be8d4b887f..2e2b7efbe8 100644
--- a/model_zoo/official/lite/car_classification/app/src/test/java/com/mindspore/classificationforcar/ExampleUnitTest.java
+++ b/model_zoo/official/lite/pet_classification/app/src/test/java/com/mindspore/classificationforpet/ExampleUnitTest.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.mindspore.classificationforcar;
+package com.mindspore.classificationforpet;
 
 import org.junit.Test;
 
diff --git a/model_zoo/official/lite/car_classification/build.gradle b/model_zoo/official/lite/pet_classification/build.gradle
similarity index 100%
rename from model_zoo/official/lite/car_classification/build.gradle
rename to model_zoo/official/lite/pet_classification/build.gradle
diff --git a/model_zoo/official/lite/car_classification/gradle.properties b/model_zoo/official/lite/pet_classification/gradle.properties
similarity index 100%
rename from model_zoo/official/lite/car_classification/gradle.properties
rename to model_zoo/official/lite/pet_classification/gradle.properties
diff --git a/model_zoo/official/lite/car_classification/gradle/wrapper/gradle-wrapper.jar b/model_zoo/official/lite/pet_classification/gradle/wrapper/gradle-wrapper.jar
similarity index 100%
rename from model_zoo/official/lite/car_classification/gradle/wrapper/gradle-wrapper.jar
rename to model_zoo/official/lite/pet_classification/gradle/wrapper/gradle-wrapper.jar
diff --git a/model_zoo/official/lite/car_classification/gradle/wrapper/gradle-wrapper.properties b/model_zoo/official/lite/pet_classification/gradle/wrapper/gradle-wrapper.properties
similarity index 100%
rename from model_zoo/official/lite/car_classification/gradle/wrapper/gradle-wrapper.properties
rename to model_zoo/official/lite/pet_classification/gradle/wrapper/gradle-wrapper.properties
diff --git a/model_zoo/official/lite/car_classification/gradlew b/model_zoo/official/lite/pet_classification/gradlew
similarity index 100%
rename from model_zoo/official/lite/car_classification/gradlew
rename to model_zoo/official/lite/pet_classification/gradlew
diff --git a/model_zoo/official/lite/car_classification/gradlew.bat b/model_zoo/official/lite/pet_classification/gradlew.bat
similarity index 100%
rename from model_zoo/official/lite/car_classification/gradlew.bat
rename to model_zoo/official/lite/pet_classification/gradlew.bat
diff --git a/model_zoo/official/lite/pet_classification/settings.gradle b/model_zoo/official/lite/pet_classification/settings.gradle
new file mode 100644
index 0000000000..2c8486e4f2
--- /dev/null
+++ b/model_zoo/official/lite/pet_classification/settings.gradle
@@ -0,0 +1,2 @@
+include ':app'
+rootProject.name = "PetClassification"
\ No newline at end of file