diff --git a/mindspore/lite/tools/common/flag_parser.cc b/mindspore/lite/tools/common/flag_parser.cc
index 3ea4baac9b..7d35f49bd4 100755
--- a/mindspore/lite/tools/common/flag_parser.cc
+++ b/mindspore/lite/tools/common/flag_parser.cc
@@ -160,7 +160,7 @@ std::string FlagParser::Usage(const Option<std::string> &usgMsg) const {
     std::string flagName = flag->second.flagName;
     std::string helpInfo = flag->second.helpInfo;
     // parameter line
-    std::string thisLine = flag->second.isBoolean ? " --[no-]" + flagName : " --" + flagName + "=VALUE";
+    std::string thisLine = flagName == "help" ? " --" + flagName : " --" + flagName + "=VALUE";
     if (++i <= flags.size()) {
       // add parameter help message of each line
       thisLine += " " + helpInfo;
diff --git a/mindspore/lite/tools/common/flag_parser.h b/mindspore/lite/tools/common/flag_parser.h
index e8e87ac699..b14824620e 100755
--- a/mindspore/lite/tools/common/flag_parser.h
+++ b/mindspore/lite/tools/common/flag_parser.h
@@ -33,7 +33,7 @@ struct Nothing {};
 
 class FlagParser {
  public:
-  FlagParser() { AddFlag(&FlagParser::help, "help", "print usage message", false); }
+  FlagParser() { AddFlag(&FlagParser::help, "help", "print usage message", ""); }
 
   virtual ~FlagParser() {}
 
@@ -298,4 +298,3 @@ void FlagParser::AddFlag(Option<T> Flags::*t, const std::string &flagName, const
 }  // namespace mindspore
 
 #endif  // PREDICT_COMMON_FLAG_PARSER_H_
-
diff --git a/mindspore/lite/tools/time_profile/time_profile.cc b/mindspore/lite/tools/time_profile/time_profile.cc
index b872255230..09bec1f340 100644
--- a/mindspore/lite/tools/time_profile/time_profile.cc
+++ b/mindspore/lite/tools/time_profile/time_profile.cc
@@ -109,7 +109,7 @@ int TimeProfile::InitSession() {
   ctx->cpu_bind_mode_ = static_cast<CpuBindMode>(_flags->cpu_bind_mode_);
   ctx->device_ctx_.type = lite::DT_CPU;
   ctx->thread_num_ = _flags->num_threads_;
-
+  ctx->float16_priority = _flags->fp16_priority;
   session_ = session::LiteSession::CreateSession(ctx);
   if (session_ == nullptr) {
     MS_LOG(ERROR) << "New session failed while running.";
@@ -175,6 +175,7 @@ int TimeProfile::Init() {
   MS_LOG(INFO) << "InDataPath = " << _flags->in_data_path_;
   MS_LOG(INFO) << "LoopCount = " << _flags->loop_count_;
   MS_LOG(INFO) << "NumThreads = " << _flags->num_threads_;
+  MS_LOG(INFO) << "Fp16Priority = " << _flags->fp16_priority;
 
   if (_flags->num_threads_ < 1) {
     MS_LOG(ERROR) << "NumThreads: " << _flags->num_threads_ << " must greater than or equal 1";
diff --git a/mindspore/lite/tools/time_profile/time_profile.h b/mindspore/lite/tools/time_profile/time_profile.h
index 9dc6d57d4f..66bef7c3e8 100644
--- a/mindspore/lite/tools/time_profile/time_profile.h
+++ b/mindspore/lite/tools/time_profile/time_profile.h
@@ -40,6 +40,7 @@ class MS_API TimeProfileFlags : public virtual FlagParser {
             "Input -1 for MID_CPU, 1 for HIGHER_CPU, 0 for NO_BIND, defalut value: 1", 1);
     AddFlag(&TimeProfileFlags::loop_count_, "loopCount", "Run loop count", 10);
     AddFlag(&TimeProfileFlags::num_threads_, "numThreads", "Run threads number", 2);
+    AddFlag(&TimeProfileFlags::fp16_priority, "fp16Priority", "Run fp16 ops prior", false);
   }
 
   ~TimeProfileFlags() override = default;
@@ -50,6 +51,7 @@ class MS_API TimeProfileFlags : public virtual FlagParser {
   int cpu_bind_mode_ = 1;
   int loop_count_;
   int num_threads_;
+  bool fp16_priority;
 };
 
 class MS_API TimeProfile {