diff --git a/src/main/webapp/WEB-INF/views/help.jsp b/src/main/webapp/WEB-INF/views/help.jsp
index 99cc9e9ff..6a8f02307 100644
--- a/src/main/webapp/WEB-INF/views/help.jsp
+++ b/src/main/webapp/WEB-INF/views/help.jsp
@@ -165,7 +165,7 @@ function showSrcCode(){
 					<div id="menuTree" class="ztree" style="margin-top:3px;float:left;"></div>
 			</div>
 				<div id="operation"></div>
-				<div class="col-md-10 help" style="margin-top: 5px;">
+				<div class="col-md-9 help" style="margin-top: 5px;">
 				
 				</div>