diff --git a/deployer/src/main/bin/startup.bat b/deployer/src/main/bin/startup.bat
index 7601ae5a..7851ddc0 100755
--- a/deployer/src/main/bin/startup.bat
+++ b/deployer/src/main/bin/startup.bat
@@ -21,7 +21,7 @@ set CANAL_OPTS= -DappName=otter-canal -Dlogback.configurationFile="%logback_conf
 
 set JAVA_OPTS= %JAVA_MEM_OPTS% %JAVA_OPTS_EXT% %JAVA_DEBUG_OPT% %CANAL_OPTS%
 
-set CMD_STR= java %JAVA_OPTS% -classpath "%CLASSPATH%" java %JAVA_OPTS% -classpath "%CLASSPATH%" com.alibaba.otter.canal.deployer.CanalLauncher
+set CMD_STR= java %JAVA_OPTS% -classpath "%CLASSPATH%" com.alibaba.otter.canal.deployer.CanalLauncher
 echo start cmd : %CMD_STR%
 
 java %JAVA_OPTS% -classpath "%CLASSPATH%" com.alibaba.otter.canal.deployer.CanalLauncher