diff --git a/interfaces/inner_api/src/standard/device_security_level_loader.cpp b/interfaces/inner_api/src/standard/device_security_level_loader.cpp
index 90c2e2d..b623687 100644
--- a/interfaces/inner_api/src/standard/device_security_level_loader.cpp
+++ b/interfaces/inner_api/src/standard/device_security_level_loader.cpp
@@ -66,7 +66,9 @@ void DeviceSecurityLevelLoader::LoadCallback::OnLoadSystemAbilityFail(int32_t si
 
 sptr<IRemoteObject> DeviceSecurityLevelLoader::LoadCallback::Promise()
 {
-    return promise_.get_future().get();
+    auto obj = promise_.get_future().get();
+    promise_ = {};
+    return obj;
 }
 } // namespace DeviceSecurityLevel
 } // namespace Security
diff --git a/services/dslm/dslm_device_list.c b/services/dslm/dslm_device_list.c
index 9ad06b5..5beff26 100644
--- a/services/dslm/dslm_device_list.c
+++ b/services/dslm/dslm_device_list.c
@@ -152,7 +152,7 @@ void ForEachDeviceDump(const ProcessDumpFunction dumper, int32_t dumpHandle)
     UnlockMutex(GetDeviceListMutex());
 }
 
-bool JudgeListDeviceType()
+bool JudgeListDeviceType(void)
 {
     bool result = true;
     ListNode *node = NULL;
diff --git a/services/dslm/dslm_device_list.h b/services/dslm/dslm_device_list.h
index ee4abec..e38ee41 100644
--- a/services/dslm/dslm_device_list.h
+++ b/services/dslm/dslm_device_list.h
@@ -41,7 +41,7 @@ bool IsSameDevice(const DeviceIdentify *first, const DeviceIdentify *second);
 
 void ForEachDeviceDump(const ProcessDumpFunction dumper, int32_t dumpHandle);
 
-bool JudgeListDeviceType();
+bool JudgeListDeviceType(void);
 
 #ifdef __cplusplus
 }