diff --git a/en/application-dev/napi/drawing-guidelines.md b/en/application-dev/napi/drawing-guidelines.md
index 22d85aec0fe405e47cd92abeafa94ba5e7b7ed5f..c341703ff86d6d0e3c6a34e8270e934b33a15d3a 100644
--- a/en/application-dev/napi/drawing-guidelines.md
+++ b/en/application-dev/napi/drawing-guidelines.md
@@ -128,10 +128,7 @@ The following steps describe how to use the canvas and brush of the Native Drawi
     ```c++
     // Obtain the pixel address after drawing. The memory to which the address points contains the pixel data of the drawing on the canvas.
     void* bitmapAddr = OH_Drawing_BitmapGetPixels(cBitmap);
-    auto ret = memcpy_s(addr, addrSize, bitmapAddr, addrSize);
-    if (ret != EOK) {
-        LOGI("memcpy_s failed");
-    }
+    std::copy(addr, addr + addrSize, static_cast<uint8_t*>(bitmapAddr));
     // Destroy the canvas object.
     OH_Drawing_CanvasDestroy(cCanvas);
     // Destroy the bitmap object.
diff --git a/zh-cn/application-dev/napi/drawing-guidelines.md b/zh-cn/application-dev/napi/drawing-guidelines.md
index 4de946c8a781f1e3f5b16cc929b7cce5bd585ce9..76b2d84b93a5ab76ed0d390f7517fcd9862bc01b 100644
--- a/zh-cn/application-dev/napi/drawing-guidelines.md
+++ b/zh-cn/application-dev/napi/drawing-guidelines.md
@@ -128,10 +128,7 @@ Native Drawing模块提供了一系列的接口用于基本图形和字体的绘
     ```c++
     // 画完后获取像素地址，地址指向的内存包含画布画的像素数据
     void* bitmapAddr = OH_Drawing_BitmapGetPixels(cBitmap);
-    auto ret = memcpy_s(addr, addrSize, bitmapAddr, addrSize);
-    if (ret != EOK) {
-        LOGI("memcpy_s failed");
-    }
+    std::copy(addr, addr + addrSize, static_cast<uint8_t*>(bitmapAddr));
     // 销毁canvas对象
     OH_Drawing_CanvasDestroy(cCanvas);
     // 销毁bitmap对象