diff --git a/services/channel/include/icamera_channel.h b/services/channel/include/icamera_channel.h
index ac5ef5aa1bcb5de8bb652dfd63900883fa49aa1b..65d4b1a1e19df6b6b8229b8667be938a119079c8 100644
--- a/services/channel/include/icamera_channel.h
+++ b/services/channel/include/icamera_channel.h
@@ -36,7 +36,7 @@ public:
     virtual int32_t CloseSession() = 0;
     virtual int32_t CreateSession(std::vector<DCameraIndex>& camIndexs, std::string sessionFlag,
         DCameraSessionMode sessionMode, std::shared_ptr<ICameraChannelListener>& listener) = 0;
-    virtual int32_t ReleaseSession();
+    virtual int32_t ReleaseSession() = 0;
     virtual int32_t SendData(std::shared_ptr<DataBuffer>& buffer) = 0;
 };
 } // namespace DistributedHardware