diff --git a/frameworks/innerkitsimpl/common/src/native_image.cpp b/frameworks/innerkitsimpl/common/src/native_image.cpp
index 0ea8f9eb001c8bdd8709b6e5d6b425d6f69d7dfd..65517ad79eb4af2922d428e01c06c4a548dbb5c1 100644
--- a/frameworks/innerkitsimpl/common/src/native_image.cpp
+++ b/frameworks/innerkitsimpl/common/src/native_image.cpp
@@ -295,7 +295,7 @@ int32_t NativeImage::GetDataSize(uint64_t &size)
             extraDataSize, size);
     } else {
         IMAGE_LOGD("S ExtraGet dataSize %{public}d", extraDataSize);
-        size = extraDataSize;
+        size = static_cast<uint64_t>(extraDataSize);
     }
     return SUCCESS;
 }
diff --git a/frameworks/innerkitsimpl/converter/include/basic_transformer.h b/frameworks/innerkitsimpl/converter/include/basic_transformer.h
index a67cd33fc11829fe5f12d755aba78fbf1dd5e7a0..d5836ef05cac1d3a608cee51a7de933fb6ea10c1 100644
--- a/frameworks/innerkitsimpl/converter/include/basic_transformer.h
+++ b/frameworks/innerkitsimpl/converter/include/basic_transformer.h
@@ -58,7 +58,7 @@ static inline int32_t ClampMax(int value, int max)
     return (value > 0) ? value : 0;
 }
 
-static inline uint32_t GetSubValue(int32_t value)
+static inline uint32_t GetSubValue(uint32_t value)
 {
     // In order to speed up the calculation, use offset
     return ((value >> SUB_VALUE_SHIFT) & 0xF);
diff --git a/frameworks/innerkitsimpl/receiver/include/image_receiver_context.h b/frameworks/innerkitsimpl/receiver/include/image_receiver_context.h
index 1257a0faf6322cbc17deec8ba551085c7be50da8..fe464f688402910dcd45c16408cc97e37f07a37d 100644
--- a/frameworks/innerkitsimpl/receiver/include/image_receiver_context.h
+++ b/frameworks/innerkitsimpl/receiver/include/image_receiver_context.h
@@ -100,10 +100,10 @@ public:
 private:
     OHOS::sptr<IConsumerSurface> receiverConsumerSurface_;
     OHOS::sptr<Surface> receiverProducerSurface_;
-    int32_t width_;
-    int32_t height_;
-    int32_t format_;
-    int32_t capicity_;
+    int32_t width_ = 0;
+    int32_t height_ = 0;
+    int32_t format_ = 0;
+    int32_t capicity_ = 0;
     std::string receiverKey_;
 };
 } // namespace Media
diff --git a/interfaces/kits/js/common/include/image_napi.h b/interfaces/kits/js/common/include/image_napi.h
index ac9c21d7164c1da509535af795a53a08a53108c0..5249badda83403e492af32308133f988c5a09025 100644
--- a/interfaces/kits/js/common/include/image_napi.h
+++ b/interfaces/kits/js/common/include/image_napi.h
@@ -49,7 +49,7 @@ private:
     static thread_local napi_ref sConstructor_;
     static ImageHolderManager<NativeImage> sNativeImageHolder_;
     std::shared_ptr<NativeImage> native_;
-    bool isTestImage_;
+    bool isTestImage_ = false;
 };
 } // namespace Media
 } // namespace OHOS
diff --git a/plugins/common/libs/image/libextplugin/include/ext_decoder.h b/plugins/common/libs/image/libextplugin/include/ext_decoder.h
index 70c16cb0001ca43c6d96f2699d121c8d7c5af30d..ce2c55da701ee802521fce79aa06f8507767f257 100644
--- a/plugins/common/libs/image/libextplugin/include/ext_decoder.h
+++ b/plugins/common/libs/image/libextplugin/include/ext_decoder.h
@@ -192,7 +192,7 @@ private:
 #endif
     OHOS::Media::CropAndScaleStrategy cropAndScaleStrategy_ = OHOS::Media::CropAndScaleStrategy::DEFAULT;
     OHOS::Media::Size regionDesiredSize_;
-    bool supportRegionFlag_;
+    bool supportRegionFlag_ = false;
     //Yuv
     OHOS::Media::Size desiredSizeYuv_;
     int softSampleSize_ = 1;
diff --git a/plugins/common/libs/image/libextplugin/include/ext_encoder.h b/plugins/common/libs/image/libextplugin/include/ext_encoder.h
index 6e1c56133ea2a0c0f850763cddfc5537cb276e17..493626683f077a9d2806bc025bd98e69a4b2b7c3 100644
--- a/plugins/common/libs/image/libextplugin/include/ext_encoder.h
+++ b/plugins/common/libs/image/libextplugin/include/ext_encoder.h
@@ -158,7 +158,7 @@ private:
     uint32_t EncodeHeifByPixelmap(Media::PixelMap* pixelmap, const PlEncodeOptions& opts);
     void RecycleResources();
 
-    SkEncodedImageFormat encodeFormat_;
+    SkEncodedImageFormat encodeFormat_ = SkEncodedImageFormat::kJPEG;
     OutputDataStream* output_ = nullptr;
     PlEncodeOptions opts_;
     Media::PixelMap* pixelmap_ = nullptr;
diff --git a/plugins/common/libs/image/libextplugin/include/heif_impl/heif_parser/heif_image.h b/plugins/common/libs/image/libextplugin/include/heif_impl/heif_parser/heif_image.h
index 04a82bb8730e2dd5f9f99373b3b7733a214ba378..2c6856d3338321e469507bdd619b447bababa525 100644
--- a/plugins/common/libs/image/libextplugin/include/heif_impl/heif_parser/heif_image.h
+++ b/plugins/common/libs/image/libextplugin/include/heif_impl/heif_parser/heif_image.h
@@ -147,7 +147,7 @@ private:
 
     heif_item_id gainmapMasterItemid_ = 0;
     std::shared_ptr<HeifImage> gainmapImage_;
-    heif_item_id tmapId_;
+    heif_item_id tmapId_ = 0;
     std::vector<uint8_t> lightInfo_;
     std::vector<uint8_t> displayInfo_;
     std::vector<uint8_t> uwaInfo_;