diff --git a/frameworks/ans/test/moduletest/ans_fw_module_test.cpp b/frameworks/ans/test/moduletest/ans_fw_module_test.cpp
index ecbcac893a78a682b2b225c5b1c5930e4f8e14da..e7d017b0b70177dc3f4df348bf857d396e97a5e1 100644
--- a/frameworks/ans/test/moduletest/ans_fw_module_test.cpp
+++ b/frameworks/ans/test/moduletest/ans_fw_module_test.cpp
@@ -181,7 +181,7 @@ private:
 
 class OnOnCanceledEvent : public SubscriberEvent {
 public:
-    OnOnCanceledEvent(const std::shared_ptr<Notification> &request)
+    explicit OnOnCanceledEvent(const std::shared_ptr<Notification> &request)
         : SubscriberEvent(SubscriberEventType::ON_CANCELED), request_(request)
     {}
 
@@ -231,7 +231,7 @@ private:
 
 class OnConsumedEvent : public SubscriberEvent {
 public:
-    OnConsumedEvent(const std::shared_ptr<Notification> &request)
+    explicit OnConsumedEvent(const std::shared_ptr<Notification> &request)
         : SubscriberEvent(SubscriberEventType::ON_CONSUMED), request_(request)
     {}