diff --git a/examples/akitutorials/entry/src/main/cpp/napi_init.cpp b/examples/akitutorials/entry/src/main/cpp/napi_init.cpp
index 74aabb80cbe281a0f9a5df929d739d738fa1c49a..15b5064b864ad79645917bb1e157b486632e4010 100644
--- a/examples/akitutorials/entry/src/main/cpp/napi_init.cpp
+++ b/examples/akitutorials/entry/src/main/cpp/napi_init.cpp
@@ -153,7 +153,8 @@ std::string ConvertToString(aki::Value obj)
         return strObj.As<std::string>();
     } else {
         napi_value nvalue = obj.GetHandle();
-        napi_value nage, nname;
+        napi_value nage;
+        napi_value nname;
         napi_get_named_property(aki::JSBind::GetScopedEnv(), nvalue, "age", &nage);
         napi_get_named_property(aki::JSBind::GetScopedEnv(), nvalue, "name", &nname);
         
diff --git a/src/cli/dts2cpp/src/gen/tools/FileRW.js b/src/cli/dts2cpp/src/gen/tools/FileRW.js
index 3ce42bf00f5d59537529540dc1ff98a5e763146b..7f8b71f1127ee38397fc50a9b5315acb69bd2db6 100644
--- a/src/cli/dts2cpp/src/gen/tools/FileRW.js
+++ b/src/cli/dts2cpp/src/gen/tools/FileRW.js
@@ -15,8 +15,12 @@
 const fs = require('fs');
 
 function utf8ArrayToStr(array) {
-    let out, i, len, c;
-    let char2, char3;
+    let out;
+    let i;
+    let len;
+    let c;
+    let char2;
+    let char3;
 
     out = '';
     len = array.length;