diff --git a/rosen/modules/2d_graphics/include/c/drawing_text_typography.h b/rosen/modules/2d_graphics/include/c/drawing_text_typography.h
index de74427eeb..46c39c4b51 100644
--- a/rosen/modules/2d_graphics/include/c/drawing_text_typography.h
+++ b/rosen/modules/2d_graphics/include/c/drawing_text_typography.h
@@ -218,7 +218,8 @@ void OH_Drawing_SetTextStyleFontHeight(OH_Drawing_TextStyle*, double /* fontHeig
  * @param int number of font families
  * @param char* fontFamilies name
  */
-void OH_Drawing_SetTextStyleFontFamilies(OH_Drawing_TextStyle*, int /* fontFamiliesNumber */, const char* fontFamilies[]);
+void OH_Drawing_SetTextStyleFontFamilies(OH_Drawing_TextStyle*,
+    int /* fontFamiliesNumber */, const char* fontFamilies[]);
 
 /**
  * @brief set typography font style.
@@ -244,7 +245,8 @@ void OH_Drawing_SetTextStyleLocale(OH_Drawing_TextStyle*, const char*);
  * @syscap SystemCapability.Graphic.Graphic2D.NativeDrawing
  * @return a pointer to created OH_Drawing_TypographyCreate
  */
-OH_Drawing_TypographyCreate* OH_Drawing_CreateTypographyHandler(OH_Drawing_TypographyStyle*, OH_Drawing_FontCollection*);
+OH_Drawing_TypographyCreate* OH_Drawing_CreateTypographyHandler(OH_Drawing_TypographyStyle*,
+    OH_Drawing_FontCollection*);
 
 /**
  * @brief Release the memory storing the OH_Drawing_TypographyCreate object.
@@ -314,7 +316,8 @@ void OH_Drawing_TypographyLayout(OH_Drawing_Typography*, double /* maxWidth */);
  * @param double position X
  * @param double position Y
  */
-void OH_Drawing_TypographyPaint(OH_Drawing_Typography*, OH_Drawing_Canvas*, double /* potisionX */, double /* potisionY */);
+void OH_Drawing_TypographyPaint(OH_Drawing_Typography*, OH_Drawing_Canvas*,
+    double /* potisionX */, double /* potisionY */);
 
 #ifdef __cplusplus
 }
diff --git a/rosen/modules/2d_graphics/src/c/drawing_text_typography.cpp b/rosen/modules/2d_graphics/src/c/drawing_text_typography.cpp
index 4a3de2f303..c80ef35bbe 100644
--- a/rosen/modules/2d_graphics/src/c/drawing_text_typography.cpp
+++ b/rosen/modules/2d_graphics/src/c/drawing_text_typography.cpp
@@ -13,9 +13,9 @@
  * limitations under the License.
  */
 
+#include "c/drawing_text_typography.h"
 
 #include "c/drawing_text_convertor.h"
-#include "c/drawing_text_typography.h"
 #include "rosen_text/ui/font_collection.h"
 #include "rosen_text/ui/typography.h"
 #include "rosen_text/ui/typography_create.h"
@@ -37,7 +37,7 @@ void OH_Drawing_DestroyTypographyStyle(OH_Drawing_TypographyStyle* style)
 void OH_Drawing_SetTypographyTextDirection(OH_Drawing_TypographyStyle* style, int direction)
 {
     rosen::TextDirection textDirection;
-    switch(direction) {
+    switch (direction) {
         case TEXT_DIRECTION_RTL: {
             textDirection = rosen::TextDirection::RTL;
             break;
@@ -57,7 +57,7 @@ void OH_Drawing_SetTypographyTextDirection(OH_Drawing_TypographyStyle* style, in
 void OH_Drawing_SetTypographyTextAlign(OH_Drawing_TypographyStyle* style, int align)
 {
     rosen::TextAlign textAlign;
-    switch(align) {
+    switch (align) {
         case TEXT_ALIGN_LEFT: {
             textAlign = rosen::TextAlign::LEFT;
             break;
@@ -217,7 +217,8 @@ void OH_Drawing_SetTextStyleFontHeight(OH_Drawing_TextStyle* style, double fontH
     ConvertToOriginalText(style)->height_ = fontHeight;
 }
 
-void OH_Drawing_SetTextStyleFontFamilies(OH_Drawing_TextStyle* style, int fontFamiliesNumber, const char* fontFamilies[])
+void OH_Drawing_SetTextStyleFontFamilies(OH_Drawing_TextStyle* style,
+    int fontFamiliesNumber, const char* fontFamilies[])
 {
     std::vector<std::string> rosenFontFamilies;
     for (int i = 0; i < fontFamiliesNumber; i++) {
diff --git a/rosen/samples/text/renderservice/drawing_text_c_sample.cpp b/rosen/samples/text/renderservice/drawing_text_c_sample.cpp
index dad1fe48b4..1597ffce39 100644
--- a/rosen/samples/text/renderservice/drawing_text_c_sample.cpp
+++ b/rosen/samples/text/renderservice/drawing_text_c_sample.cpp
@@ -68,17 +68,19 @@ void DoDraw(uint8_t *addr, uint32_t width, uint32_t height, size_t index)
 
     OH_Drawing_Canvas* cCanvas = OH_Drawing_CanvasCreate();
     OH_Drawing_CanvasBind(cCanvas, cBitmap);
-    OH_Drawing_CanvasClear(cCanvas,OH_Drawing_ColorSetArgb(0xFF, 0xFF, 0xFF, 0xFF));
+    OH_Drawing_CanvasClear(cCanvas, OH_Drawing_ColorSetArgb(0xFF, 0xFF, 0xFF, 0xFF));
 
     OH_Drawing_TypographyStyle* typoStyle = OH_Drawing_CreateTypographyStyle();
     OH_Drawing_SetTypographyTextDirection(typoStyle, TEXT_DIRECTION_LTR);
     OH_Drawing_SetTypographyTextAlign(typoStyle, TEXT_ALIGN_LEFT);
 
-    OH_Drawing_TypographyCreate* handler = OH_Drawing_CreateTypographyHandler(typoStyle, OH_Drawing_CreateFontCollection());
+    OH_Drawing_TypographyCreate* handler = OH_Drawing_CreateTypographyHandler(typoStyle,
+        OH_Drawing_CreateFontCollection());
 
     OH_Drawing_TextStyle* txtStyle = OH_Drawing_CreateTextStyle();
     OH_Drawing_SetTextStyleColor(txtStyle, OH_Drawing_ColorSetArgb(0xFF, 0x00, 0x00, 0x00));
-    OH_Drawing_SetTextStyleFontSize(txtStyle, 80);
+    double fontSize = 30;
+    OH_Drawing_SetTextStyleFontSize(txtStyle, fontSize);
     OH_Drawing_SetTextStyleFontWeight(txtStyle, FONT_WEIGHT_400);
     OH_Drawing_SetTextStyleBaseLine(txtStyle, TEXT_BASELINE_ALPHABETIC);
     OH_Drawing_SetTextStyleFontHeight(txtStyle, 1);
@@ -168,14 +170,15 @@ int main()
     auto surfaceNode = CreateSurface();
     RSDisplayNodeConfig config;
     RSDisplayNode::SharedPtr displayNode = RSDisplayNode::Create(config);
-    for (size_t i = 0; i < 5; i++) {
-        sleep(2);
+    int testNumber = 5;
+    for (size_t i = 0; i < testNumber; i++) {
+        int restTime = 4;
+        sleep(restTime);
         displayNode->AddChild(surfaceNode, -1);
         surfaceNode->SetBounds(0, 0, WIDTH, HEIGHT);
         RSTransactionProxy::GetInstance()->FlushImplicitTransaction();
         DrawSurface(surfaceNode, WIDTH, HEIGHT, i);
-        // sleep 8s
-        sleep(4);
+        sleep(restTime);
         displayNode->RemoveChild(surfaceNode);
         RSTransactionProxy::GetInstance()->FlushImplicitTransaction();
     }