diff --git a/.github/workflows/generator-android.yml b/.github/workflows/generator-android.yml
index c7a39ca..56475f0 100644
--- a/.github/workflows/generator-android.yml
+++ b/.github/workflows/generator-android.yml
@@ -62,8 +62,8 @@ env:
   SCITER_ARMV7_CMAKE_VERSION: "3.29.7"
   SCITER_NASM_DEBVERSION: "2.14-1"
   LLVM_VERSION: "15.0.6"
-  FLUTTER_VERSION: "3.19.6"
-  ANDROID_FLUTTER_VERSION: "3.13.9" # >= 3.16 is very slow on my android phone, but work well on most of others. We may switch to new flutter after changing to texture rendering (I believe it can solve my problem).
+  FLUTTER_VERSION: "3.24.4"
+  ANDROID_FLUTTER_VERSION: "3.24.4" 
   FLUTTER_RUST_BRIDGE_VERSION: "1.80.1"
   # for arm64 linux because official Dart SDK does not work
   FLUTTER_ELINUX_VERSION: "3.16.9"
diff --git a/.github/workflows/generator-linux.yml b/.github/workflows/generator-linux.yml
index cc23423..9e60507 100644
--- a/.github/workflows/generator-linux.yml
+++ b/.github/workflows/generator-linux.yml
@@ -61,8 +61,8 @@ env:
   SCITER_ARMV7_CMAKE_VERSION: "3.29.7"
   SCITER_NASM_DEBVERSION: "2.14-1"
   LLVM_VERSION: "15.0.6"
-  FLUTTER_VERSION: "3.19.6"
-  ANDROID_FLUTTER_VERSION: "3.13.9" # >= 3.16 is very slow on my android phone, but work well on most of others. We may switch to new flutter after changing to texture rendering (I believe it can solve my problem).
+  FLUTTER_VERSION: "3.24.4"
+  ANDROID_FLUTTER_VERSION: "3.24.4" 
   FLUTTER_RUST_BRIDGE_VERSION: "1.80.1"
   # for arm64 linux because official Dart SDK does not work
   FLUTTER_ELINUX_VERSION: "3.16.9"
diff --git a/.github/workflows/generator-windows.yml b/.github/workflows/generator-windows.yml
index fc55233..ad80fe9 100644
--- a/.github/workflows/generator-windows.yml
+++ b/.github/workflows/generator-windows.yml
@@ -62,8 +62,8 @@ env:
   SCITER_ARMV7_CMAKE_VERSION: "3.29.7"
   SCITER_NASM_DEBVERSION: "2.14-1"
   LLVM_VERSION: "15.0.6"
-  FLUTTER_VERSION: "3.19.6"
-  ANDROID_FLUTTER_VERSION: "3.13.9" # >= 3.16 is very slow on my android phone, but work well on most of others. We may switch to new flutter after changing to texture rendering (I believe it can solve my problem).
+  FLUTTER_VERSION: "3.24.4"
+  ANDROID_FLUTTER_VERSION: "3.24.4" 
   FLUTTER_RUST_BRIDGE_VERSION: "1.80.1"
   # for arm64 linux because official Dart SDK does not work
   FLUTTER_ELINUX_VERSION: "3.16.9"
diff --git a/rdgenerator/views.py b/rdgenerator/views.py
index f021937..542228b 100644
--- a/rdgenerator/views.py
+++ b/rdgenerator/views.py
@@ -325,7 +325,7 @@ def startgh(request):
     }
     response = requests.post(url, json=data, headers=headers)
     print(response)
-    return HttpResponse('')
+    return HttpResponse(status=204)
 
 def save_png(file, uuid, domain):
     file_save_path = "png/%s/%s" % (uuid, quote(file.name))