diff --git a/interfaces/plugin/vibrate/src/vibrate_js.cpp b/interfaces/plugin/vibrate/src/vibrate_js.cpp
index 29a192cba1916a8ddf4df6a358efdfa9ae59a446..1c1395241ebcae3c0816a9a2a7b1d96f1134ae45 100755
--- a/interfaces/plugin/vibrate/src/vibrate_js.cpp
+++ b/interfaces/plugin/vibrate/src/vibrate_js.cpp
@@ -30,7 +30,7 @@ constexpr int32_t ARGS_LENGTH = 2;
 
 static napi_value Vibrate(napi_env env, napi_callback_info info)
 {
-    size_t argc;
+    size_t argc = 2;
     napi_value args[2];
     napi_value thisArg;
     napi_value result;
@@ -93,7 +93,7 @@ static napi_value Vibrate(napi_env env, napi_callback_info info)
 
 static napi_value Stop(napi_env env, napi_callback_info info)
 {
-    size_t argc;
+    size_t argc = 2;
     napi_value args[2];
     napi_value thisArg;
     napi_value result;