diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index c38bca9f..416786ef 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -22,7 +22,7 @@ jobs:
     strategy:
       matrix:
         os: [macos-latest]
-        qt_ver: [6.6.0]
+        qt_ver: [6.5.0]
         qt_arch: [clang_64]
     env:
       targetName: example
@@ -50,7 +50,7 @@ jobs:
           cmake --version
           mkdir build
           cd build
-          cmake -DCMAKE_MESSAGE_LOG_LEVEL=STATUS -DCMAKE_PREFIX_PATH=/Users/runner/work/FluentUI/Qt/6.6.0/macos -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_BUILD_TYPE=Release -GNinja ..
+          cmake -DCMAKE_MESSAGE_LOG_LEVEL=STATUS -DCMAKE_PREFIX_PATH=/Users/runner/work/FluentUI/Qt/6.5.0/macos -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_BUILD_TYPE=Release -GNinja ..
           cmake --build . --target all --config Release --parallel
           
       - name: package
diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index 06b6b411..5d349fb1 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -23,7 +23,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-20.04]
-        qt_ver: [6.6.0]
+        qt_ver: [6.5.0]
         qt_arch: [gcc_64]
     env:
       targetName: example
@@ -55,7 +55,7 @@ jobs:
           cmake --version
           mkdir build
           cd build
-          cmake -DCMAKE_MESSAGE_LOG_LEVEL=STATUS -DCMAKE_PREFIX_PATH=/home/runner/work/FluentUI/Qt/6.6.0/gcc_64 -DCMAKE_C_COMPILER=gcc -DCMAKE_CXX_COMPILER=g++ -DCMAKE_BUILD_TYPE=Release -GNinja ..
+          cmake -DCMAKE_MESSAGE_LOG_LEVEL=STATUS -DCMAKE_PREFIX_PATH=/home/runner/work/FluentUI/Qt/6.5.0/gcc_64 -DCMAKE_C_COMPILER=gcc -DCMAKE_CXX_COMPILER=g++ -DCMAKE_BUILD_TYPE=Release -GNinja ..
           cmake --build . --target all --config Release --parallel
           
       - name: install QT linux deploy
diff --git a/.github/workflows/windows-mingw.yml b/.github/workflows/windows-mingw.yml
index 4a199735..98696a94 100644
--- a/.github/workflows/windows-mingw.yml
+++ b/.github/workflows/windows-mingw.yml
@@ -24,7 +24,7 @@ jobs:
         os: [windows-2022]
         include:
           - qt_arch: win64_mingw
-            qt_ver: 6.6.0
+            qt_ver: 6.5.0
             qt_tools: "tools_mingw,9.0.0-1-202203221220,qt.tools.win64_mingw900"
             qt_tools_mingw_install: mingw900_64
     env:
@@ -69,7 +69,7 @@ jobs:
           mkdir build
           cd build
           ninja --version
-          cmake -DCMAKE_MESSAGE_LOG_LEVEL=STATUS -DCMAKE_PREFIX_PATH=D:\a\FluentUI\Qt\6.6.0\mingw_64 -DCMAKE_C_COMPILER=gcc -DCMAKE_CXX_COMPILER=g++ -DCMAKE_BUILD_TYPE=Release -GNinja ..
+          cmake -DCMAKE_MESSAGE_LOG_LEVEL=STATUS -DCMAKE_PREFIX_PATH=D:\a\FluentUI\Qt\6.5.0\mingw_64 -DCMAKE_C_COMPILER=gcc -DCMAKE_CXX_COMPILER=g++ -DCMAKE_BUILD_TYPE=Release -GNinja ..
           cmake --build . --target all --config Release --parallel
       
       - name: package
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 96a1230e..54445ebc 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -23,7 +23,7 @@ jobs:
       matrix:
         os: [windows-2019]
         include:
-          - qt_ver: 6.6.0        
+          - qt_ver: 6.5.0        
             qt_arch: win64_msvc2019_64
             msvc_arch: x64
             qt_arch_install: msvc2019_64  
@@ -52,7 +52,7 @@ jobs:
           ninja --version
           mkdir build
           cd build
-          cmake -DCMAKE_MESSAGE_LOG_LEVEL=STATUS -DCMAKE_PREFIX_PATH=D:\a\FluentUI\Qt\6.6.0\msvc2019_64 -DCMAKE_C_COMPILER=cl -DCMAKE_CXX_COMPILER=cl -DCMAKE_BUILD_TYPE=Release -GNinja ..
+          cmake -DCMAKE_MESSAGE_LOG_LEVEL=STATUS -DCMAKE_PREFIX_PATH=D:\a\FluentUI\Qt\6.5.0\msvc2019_64 -DCMAKE_C_COMPILER=cl -DCMAKE_CXX_COMPILER=cl -DCMAKE_BUILD_TYPE=Release -GNinja ..
           cmake --build . --target all --config Release --parallel
           echo winSdkDir=%WindowsSdkDir% >> %GITHUB_ENV%
           echo winSdkVer=%WindowsSdkVersion% >> %GITHUB_ENV%