diff --git a/interfaces/ipc/src/distributed_input_sink_stub.cpp b/interfaces/ipc/src/distributed_input_sink_stub.cpp
index 7c1f2ca..bde3aed 100644
--- a/interfaces/ipc/src/distributed_input_sink_stub.cpp
+++ b/interfaces/ipc/src/distributed_input_sink_stub.cpp
@@ -56,7 +56,7 @@ bool DistributedInputSinkStub::HasEnableDHPermission()
     const std::string permissionName = "ohos.permission.ENABLE_DISTRIBUTED_HARDWARE";
     int32_t result = Security::AccessToken::AccessTokenKit::VerifyAccessToken(callerToken,
         permissionName);
-    return (result = Security::AccessToken::PERMISSION_GRANTED);
+    return (result == Security::AccessToken::PERMISSION_GRANTED);
 }
 
 int32_t DistributedInputSinkStub::OnRemoteRequest(uint32_t code, MessageParcel &data, MessageParcel &reply,