diff --git a/src/decoder/dvpp/VpcUtils.h b/src/decoder/dvpp/VpcUtils.h
index 19e0649..ae8dcde 100644
--- a/src/decoder/dvpp/VpcUtils.h
+++ b/src/decoder/dvpp/VpcUtils.h
@@ -15,9 +15,9 @@ public:
     DvppDataMemory* resize(acldvppPicDesc *inputDesc_, int out_width, int out_height);
 
 private:
-    aclrtContext context_;
-    aclrtStream stream_;
+    aclrtContext context_{nullptr};
+    aclrtStream stream_{nullptr};
     int m_devId;
-    acldvppChannelDesc *dvppChannelDesc_ ;
+    acldvppChannelDesc *dvppChannelDesc_ {nullptr};
     string m_dec_name;
 };
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