diff --git a/common/include/input_hub.cpp b/common/include/input_hub.cpp
index e24c3b1..5a75651 100644
--- a/common/include/input_hub.cpp
+++ b/common/include/input_hub.cpp
@@ -44,9 +44,10 @@ const uint32_t SLEEP_TIME_US = 100 * 1000;
 const std::string MOUSE_NODE_KEY = "mouse";
 }
 
-InputHub::InputHub(bool isPluginMonitor) : epollFd_(-1), iNotifyFd_(-1), inputWd_(-1), isPluginMonitor_(isPluginMonitor),
-    needToScanDevices_(true), mPendingEventItems{}, pendingEventCount_(0), pendingEventIndex_(0), pendingINotify_(false),
-    deviceChanged_(false), inputTypes_(0), isStartCollectEvent_(false), isStartCollectHandler_(false)
+InputHub::InputHub(bool isPluginMonitor) : epollFd_(-1), iNotifyFd_(-1), inputWd_(-1),
+    isPluginMonitor_(isPluginMonitor), needToScanDevices_(true), mPendingEventItems{},
+    pendingEventCount_(0), pendingEventIndex_(0), pendingINotify_(false), deviceChanged_(false),
+    inputTypes_(0), isStartCollectEvent_(false), isStartCollectHandler_(false)
 {
     Initialize();
 }
diff --git a/common/include/input_hub.h b/common/include/input_hub.h
index f96fa41..4d31827 100644
--- a/common/include/input_hub.h
+++ b/common/include/input_hub.h
@@ -75,7 +75,7 @@ public:
         int32_t absYIndex;
     };
 
-    InputHub(bool isPluginMonitor);
+    explicit InputHub(bool isPluginMonitor);
     ~InputHub();
     size_t StartCollectInputEvents(RawEvent *buffer, size_t bufferSize);
     size_t StartCollectInputHandler(InputDeviceEvent *buffer, size_t bufferSize);