diff --git a/07shuyu_qingdao/02wms8-prod.sh b/07shuyu_qingdao/02wms8-prod.sh
index 9d15d13..56c4dcb 100644
--- a/07shuyu_qingdao/02wms8-prod.sh
+++ b/07shuyu_qingdao/02wms8-prod.sh
@@ -117,7 +117,7 @@ cmd=$1
 profiles=${2:-"prod"}
 
 #-------------------------------------------------------------------
-JAVA_MEM_OPTS=" -DappName=${serverName} -server -Xmx2g -Xms2g"
+JAVA_MEM_OPTS=" -DappName=${serverName} -server -Xmx2g -Xms2g -Xss3m"
 DATABASE_OPTS=" -Ddatabase.codeset=ISO-8859-1 -Ddatabase.logging=false"
 JAVA_OPTS_EXT=" -Djava.awt.headless=true -Djava.net.preferIPv4Stack=true -Dapplication.codeset=UTF-8 -Dfile.encoding=UTF-8 -Duser.timezone=Asia/Shanghai"
 #-------------------------------------------------------------------