diff --git a/docs/JCS_pub_API.md b/docs/JCS_pub_API.md
index dcf31b0..e3c5ff8 100644
--- a/docs/JCS_pub_API.md
+++ b/docs/JCS_pub_API.md
@@ -47,38 +47,7 @@
     </tr>
 </table>
 
-<style>
-.api-doc-table {
-  border-collapse: collapse;
-  width: 100%;
-  font-family: monospace;
-  border: 1px solid #e1e4e8;
-}
 
-.api-doc-table th {
-  background-color: #f6f8fa;
-  text-align: center;
-  font-weight: 600;
-  padding: 8px 12px;
-}
-
-.api-doc-table td {
-  padding: 8px 12px;
-  border-top: 1px solid #eaecef;
-  background-color: #ffffff;
-}
-
-.api-doc-table td:first-child {
-  font-weight: bold;
-}
-
-.api-doc-table pre {
-  /* margin: 0; */
-  font-family: monospace;
-  font-size: 14px;
-  line-height: 1.5;
-}
-</style>
 
 
 ### 1.2 根据名字查询桶
@@ -109,8 +78,140 @@
 
 ### 3.1 批量上传对象
 
+<table class="api-doc-table" > 
+    <tr>
+        <th colspan="3">请求</th>
+    </tr>
+    <tr>
+        <td>POST</td>
+        <td>multipart/form-data; boundary=xxxxxxx</td>
+        <td>/v1/object/upload</td>
+    </tr>
+    <tr>
+        <td>Query</td>
+        <td colspan="2">无</td>
+    </tr>
+    <tr>
+        <td>Body</td>
+        <td colspan="2">
+        被boundary分隔的多个part，第一个part的name必须是info，格式如下：
+        <pre>{
+  "packageID": 1, // PackageID，使用从创建Package接口返回的ID
+  "affinity": 1 // 文件优先上传到哪个存储空间，可以不填。
+}</pre>
+        之后的每一个part都是一个文件，name为files，filename为文件路径，需要进行URL编码。
+        一个例子：
+        <pre>POST /object/upload HTTP/1.1
+User-Agent: PostmanRuntime/7.29.0
+Accept: */*
+Postman-Token: c12fa8b5-d902-46f3-b104-028effa0d531
+Host: localhost:7890
+Accept-Encoding: gzip, deflate, br
+Connection: keep-alive
+Content-Type: multipart/form-data; boundary=--------------------------818270992847011232305151
+Content-Length: 1649
+
+----------------------------818270992847011232305151
+Content-Disposition: form-data; name="info"
+
+{
+	"userID": 1,
+	"packageID": 1
+}
+----------------------------818270992847011232305151
+Content-Disposition: form-data; name="files"; filename="test.txt"
+Content-Type: text/plain
+
+testdata
+----------------------------818270992847011232305151
+Content-Disposition: form-data; name="files"; filename="a%2Fb%2Ftest2.txt"
+Content-Type: text/plain
+
+testdata2
+----------------------------818270992847011232305151--</pre>
+        </td>
+    </tr>
+    <tr>
+        <th colspan="3">响应示例</th>
+    </tr>
+    <tr>
+        <td colspan="3">
+        <pre>{
+    "code": "OK",
+    "message": "",
+    "data": {
+        "uploadeds": [
+            {
+                "objectID": 7,
+                "packageID": 1,
+                "path": "test.txt",
+                "size": "123456",
+                "fileHash": "xxxxxxxxxx",
+                "redundancy": {
+                    "type": "none"
+                },
+                "createTime": "2024-11-05T11:06:28+08:00",
+                "updateTime": "2025-01-10T09:15:39.4452196+08:00"
+            },
+            {
+                "objectID": 8,
+                "packageID": 1,
+                "path": "a/b/test2.txt",
+                "size": "123456",
+                "fileHash": "xxxxxxxxxx",
+                "redundancy": {
+                    "type": "none"
+                },
+                "createTime": "2024-11-05T11:06:28+08:00",
+                "updateTime": "2025-01-10T09:15:39.4452196+08:00"
+            }
+        ]
+    }
+}</pre>
+        </td>
+    </tr>
+</table>
+
 ### 3.2 下载对象
 
+<table class="api-doc-table" > 
+    <tr>
+        <th colspan="3">请求</th>
+    </tr>
+    <tr>
+        <td>GET</td>
+        <td>application/json</td>
+        <td>/v1/bucket/download</td>
+    </tr>
+    <tr>
+        <td>Query</td>
+        <td colspan="2">
+        <pre>● objectID：int64
+● offset：int64，偏移量
+● length：int64，读取长度。不存在则读取整个对象</pre>
+        </td>
+    </tr>
+    <tr>
+        <td>Body</td>
+        <td colspan="2">无</td>
+    </tr>
+    <tr>
+        <th colspan="3">响应示例</th>
+    </tr>
+    <tr>
+        <td colspan="3">
+        如果请求成功，那么Content-Type将会是application/octet-stream，响应体就是文件数据。
+        如果失败，那么Content-Type将会是application/json，响应体格式如下：
+        <pre>{
+    "code": "OperationFailed",
+    "message": "xxxxxxxx",
+    "data": null
+}</pre>
+        </td>
+    </tr>
+</table>
+
+
 ### 3.3 根据路径下载对象
 
 
@@ -156,5 +257,36 @@
 ### 5.3 取消同步任务
 
 
+<style>
+.api-doc-table {
+  border-collapse: collapse;
+  width: 100%;
+  font-family: monospace;
+  border: 1px solid #e1e4e8;
+}
+
+.api-doc-table th {
+  background-color: #f6f8fa;
+  text-align: center;
+  font-weight: 600;
+  padding: 8px 12px;
+}
+
+.api-doc-table td {
+  padding: 8px 12px;
+  border-top: 1px solid #eaecef;
+  background-color: #ffffff;
+}
+
+.api-doc-table td:first-child {
+  font-weight: bold;
+}
 
+/* .api-doc-table pre {
+  margin: 0;
+  font-family: monospace;
+  font-size: 14px;
+  line-height: 1.5;
+} */
+</style>