diff --git a/plugins/flutter/CHANGELOG.md b/plugins/flutter/CHANGELOG.md
index de50bbed..4687af75 100644
--- a/plugins/flutter/CHANGELOG.md
+++ b/plugins/flutter/CHANGELOG.md
@@ -25,6 +25,6 @@ The initial version. Hello, world!
 + Add `math.isnan` and `math.isinf`
 + Fix a bug of `__checkType`
 
-## 0.5.0+1
+## 0.5.0+2
 
 + Fix a bug on Windows
\ No newline at end of file
diff --git a/plugins/flutter/pubspec.yaml b/plugins/flutter/pubspec.yaml
index 47c0fef7..45458116 100644
--- a/plugins/flutter/pubspec.yaml
+++ b/plugins/flutter/pubspec.yaml
@@ -1,6 +1,6 @@
 name: pocketpy
 description: A lightweight Python interpreter for game engines.
-version: 0.5.0+1
+version: 0.5.0+2
 homepage: https://pocketpy.dev
 repository: https://github.com/blueloveth/pocketpy
 
diff --git a/plugins/flutter/src/pocketpy.h b/plugins/flutter/src/pocketpy.h
index 22675ce8..774a7ee9 100644
--- a/plugins/flutter/src/pocketpy.h
+++ b/plugins/flutter/src/pocketpy.h
@@ -399,7 +399,8 @@ public:
     _Str __lstrip() const {
         std::string copy(*_s);
         copy.erase(copy.begin(), std::find_if(copy.begin(), copy.end(), [](char c) {
-            return !std::isspace(c);
+            // std::isspace(c) does not working on windows (Debug)
+            return c != ' ' && c != '\t' && c != '\r' && c != '\n';
         }));
         return _Str(copy);
     }
diff --git a/plugins/godot/godot-cpp b/plugins/godot/godot-cpp
index d8e7e998..764a0a18 160000
--- a/plugins/godot/godot-cpp
+++ b/plugins/godot/godot-cpp
@@ -1 +1 @@
-Subproject commit d8e7e9986433707a21b796d510cccb6f098cf91c
+Subproject commit 764a0a18407dad82e0ad7a878bab42097bfa1647
diff --git a/plugins/unity/com.bl.pocketpy/Plugins/iOS/pocketpy.h b/plugins/unity/com.bl.pocketpy/Plugins/iOS/pocketpy.h
index 22675ce8..774a7ee9 100644
--- a/plugins/unity/com.bl.pocketpy/Plugins/iOS/pocketpy.h
+++ b/plugins/unity/com.bl.pocketpy/Plugins/iOS/pocketpy.h
@@ -399,7 +399,8 @@ public:
     _Str __lstrip() const {
         std::string copy(*_s);
         copy.erase(copy.begin(), std::find_if(copy.begin(), copy.end(), [](char c) {
-            return !std::isspace(c);
+            // std::isspace(c) does not working on windows (Debug)
+            return c != ' ' && c != '\t' && c != '\r' && c != '\n';
         }));
         return _Str(copy);
     }
diff --git a/src/str.h b/src/str.h
index ab102d39..6e040340 100644
--- a/src/str.h
+++ b/src/str.h
@@ -198,7 +198,8 @@ public:
     _Str __lstrip() const {
         std::string copy(*_s);
         copy.erase(copy.begin(), std::find_if(copy.begin(), copy.end(), [](char c) {
-            return !std::isspace(c);
+            // std::isspace(c) does not working on windows (Debug)
+            return c != ' ' && c != '\t' && c != '\r' && c != '\n';
         }));
         return _Str(copy);
     }