diff --git a/interfaces/kits/gfx_utils/color.h b/interfaces/kits/gfx_utils/color.h
index 0da65d5..622ae0f 100644
--- a/interfaces/kits/gfx_utils/color.h
+++ b/interfaces/kits/gfx_utils/color.h
@@ -144,7 +144,7 @@ struct Rgba {
     float blue;
     float alpha;
 
-    Rgba() {}
+    Rgba() : red(0), green(0), blue(0), alpha(0) {}
 
     /**
      * @brief Rgba Constructor.
diff --git a/interfaces/kits/gfx_utils/graphic_buffer.h b/interfaces/kits/gfx_utils/graphic_buffer.h
index 0d15a53..129615a 100644
--- a/interfaces/kits/gfx_utils/graphic_buffer.h
+++ b/interfaces/kits/gfx_utils/graphic_buffer.h
@@ -48,7 +48,7 @@ namespace OHOS {
  */
 struct BufferInfo {
     Rect rect;
-    int32_t stride;
+    uint32_t stride;
     void* phyAddr;
     void* virAddr;
     uint16_t width;