diff --git a/.github/workflows/new-framework-test.yml b/.github/workflows/new-framework-test.yml
index 6057553..4cd6a4c 100644
--- a/.github/workflows/new-framework-test.yml
+++ b/.github/workflows/new-framework-test.yml
@@ -112,6 +112,19 @@ jobs:
           ref: "main"
           fetch-depth: 0
 
+      - name: init environment
+        if: always() && matrix.platform == 'windows'
+        shell: cmd
+        continue-on-error: true
+        run: |
+          :: 前置清理：杀掉上次残留的进程，避免 DLL/日志文件被占用
+          set "FOUND_PROCESS=0"
+          for %%I in (python.exe python3.exe taosd.exe tmq_sim.exe taosdump.exe taosBenchmark.exe) do (
+            taskkill /F /T /IM "%%~I" >nul 2>&1
+            if not errorlevel 1 set "FOUND_PROCESS=1"
+          )
+          if "%FOUND_PROCESS%"=="1" (echo Processes terminated) else (echo No processes found)
+
       - name: Debug env
         run: |
           echo "platform=${{ matrix.platform }}"
diff --git a/.github/workflows/run-tests-on-windows.yml b/.github/workflows/run-tests-on-windows.yml
index 47a7ffe..815ee69 100644
--- a/.github/workflows/run-tests-on-windows.yml
+++ b/.github/workflows/run-tests-on-windows.yml
@@ -55,13 +55,13 @@ jobs:
         continue-on-error: true
         if: always()
         run: |
-          tasklist /FI "IMAGENAME eq python3.exe" /NH | findstr /I python3.exe >nul
-          if %errorlevel% equ 0 (
-              wmic process where "name='python3.exe'" delete
-              echo Python3 process has been terminated.
-          ) else (
-              echo No Python3 process was found.
+          :: 前置清理：杀掉上次残留的进程，避免 DLL/日志文件被占用
+          set "FOUND_PROCESS=0"
+          for %%I in (python.exe python3.exe taosd.exe tmq_sim.exe taosdump.exe taosBenchmark.exe) do (
+            taskkill /F /T /IM "%%~I" >nul 2>&1
+            if not errorlevel 1 set "FOUND_PROCESS=1"
           )
+          if "%FOUND_PROCESS%"=="1" (echo Processes terminated) else (echo No processes found)
 
       - name: Set environment variables based on condition
         run: |
@@ -248,13 +248,10 @@ jobs:
         continue-on-error: true
         if: always()
         run: |
-          taskkill /F ^
-            /IM "python.exe" ^
-            /IM "python3.exe" ^
-            /IM "taosd.exe" ^
-            /IM "tmq_sim.exe" ^
-            /IM "taosdump.exe" ^
-            /IM "taosBenchmark.exe" ^
-            >nul 2>&1
-          if %errorlevel% EQU 0 (echo Processes terminated) else (echo No processes found)
+          set "FOUND_PROCESS=0"
+          for %%I in (python.exe python3.exe taosd.exe tmq_sim.exe taosdump.exe taosBenchmark.exe) do (
+            taskkill /F /T /IM "%%~I" >nul 2>&1
+            if not errorlevel 1 set "FOUND_PROCESS=1"
+          )
+          if "%FOUND_PROCESS%"=="1" (echo Processes terminated) else (echo No processes found)
           exit /b 0