diff --git a/rosen/samples/2d_graphics/benchmarks/benchmark_dcl/dcl_command.cpp b/rosen/samples/2d_graphics/benchmarks/benchmark_dcl/dcl_command.cpp
index 5da04f34da..0bdeb87a93 100644
--- a/rosen/samples/2d_graphics/benchmarks/benchmark_dcl/dcl_command.cpp
+++ b/rosen/samples/2d_graphics/benchmarks/benchmark_dcl/dcl_command.cpp
@@ -70,7 +70,7 @@ DCLCommand::DCLCommand(std::string commandLine)
     ParseCommand(params);
 }
 
-void DCLCommand::HandleCommand(std::string option, std::string augment)
+void DCLCommand::HandleCommand(std::string option,const std::string& augment)
 {
     switch (commandMap_.at(option)) {
         case CommandType::CT_T:
diff --git a/rosen/samples/2d_graphics/benchmarks/benchmark_dcl/dcl_command.h b/rosen/samples/2d_graphics/benchmarks/benchmark_dcl/dcl_command.h
index 9d6d78cdf1..ebac3da9bf 100644
--- a/rosen/samples/2d_graphics/benchmarks/benchmark_dcl/dcl_command.h
+++ b/rosen/samples/2d_graphics/benchmarks/benchmark_dcl/dcl_command.h
@@ -33,7 +33,7 @@ public:
     explicit DCLCommand(std::string commandLine);
     ~DCLCommand()= default;
     void ParseCommand(std::vector<std::string> argv);
-    void HandleCommand(std::string option, std::string augment);
+    void HandleCommand(std::string option, const std::string& augment);
     void CheckParameter();
 private:
     friend class DrawingDCL;
@@ -78,9 +78,9 @@ private:
         "\nExample: /data/drawing_ening_sample dcl -t 0 -b 1 -e 100 \n" + breakLine_ + "\n";
 
     IterateType iterateType_ = IterateType::ITERATE_FRAME;
-    uint32_t beginFrame_ = 0;
-    uint32_t endFrame_ = 100;
-    uint32_t loop_ = 1;
+    int32_t beginFrame_ = 0;
+    int32_t endFrame_ = 100;
+    int32_t loop_ = 1;
     double opItemStep_ = 1;
     std::string inputFilePath_ = "/data/lkx/";
     std::string outputFilePath_ = "/data/lkx/";
diff --git a/rosen/samples/2d_graphics/benchmarks/benchmark_dcl/drawing_dcl.h b/rosen/samples/2d_graphics/benchmarks/benchmark_dcl/drawing_dcl.h
index 8dc56a0851..7c856a46a6 100644
--- a/rosen/samples/2d_graphics/benchmarks/benchmark_dcl/drawing_dcl.h
+++ b/rosen/samples/2d_graphics/benchmarks/benchmark_dcl/drawing_dcl.h
@@ -36,7 +36,7 @@ public:
     ~DrawingDCL();
     bool GetDirectionAndStep(std::string command, bool &isMoreOps);
     bool IterateFrame(int &curLoop, int &frame);
-    bool PlayBackByFrame(SkCanvas *skiaCanvas, bool isDumpPicture = false);
+    bool PlayBackByFrame(SkCanvas *skiaCanvas, bool isDumpPictures = false);
     bool PlayBackByOpItem(SkCanvas *skiaCanvas, bool isMoreOps = true);
     void UpdateParameters(bool notNeeded);
     void UpdateParametersFromDCLCommand(const DCLCommand& dclCommand);
@@ -45,9 +45,9 @@ public:
     void Stop() override {};
     void Test(SkCanvas *canvas, int width, int height) override;
     void Output() override;
-    int LoadDrawCmdList(std::string dclFile);
-    std::string GetRealPathStr(std::string filePath);
-    bool IsValidFile(std::string realPathStr);
+    int LoadDrawCmdList(const std::string& dclFile);
+    std::string GetRealPathStr(const std::string& filePath);
+    bool IsValidFile(const std::string& realPathStr);
 
 private:
     friend class DCLCommand;
diff --git a/rosen/test/render_service/render_service_base/unittest/benchmarks/file_utils_test.cpp b/rosen/test/render_service/render_service_base/unittest/benchmarks/file_utils_test.cpp
index 78a753eeeb..a28c8c8d4a 100644
--- a/rosen/test/render_service/render_service_base/unittest/benchmarks/file_utils_test.cpp
+++ b/rosen/test/render_service/render_service_base/unittest/benchmarks/file_utils_test.cpp
@@ -59,3 +59,4 @@ HWTEST_F(FileUtilsTest, WriteStringToFileNoSuchFile, TestSize.Level1)
     bool ret = WriteToFile(line, testFile);
     EXPECT_EQ(ret, false);
 }
+}
\ No newline at end of file