diff --git a/jobs/CHM_Run_Automation/config.xml b/jobs/CHM_Run_Automation/config.xml
index 9e5fe23c0480292779348facb24f3f0d429e66a1..1618c82105af593249b5bff499860f8a33bcd945 100644
--- a/jobs/CHM_Run_Automation/config.xml
+++ b/jobs/CHM_Run_Automation/config.xml
@@ -58,7 +58,7 @@
   <concurrentBuild>false</concurrentBuild>
   <builders>
     <hudson.tasks.BatchFile>
-      <command>robot -v OpenFileDialogTitle:開啟舊檔 -v SetEnvironment:SIT %WORKSPACE%\CHM\</command>
+      <command>robot -v OpenFileDialogTitle:開啟舊檔 -v SetEnvironment:UAT %WORKSPACE%\CHM\</command>
     </hudson.tasks.BatchFile>
   </builders>
   <publishers>