help keywords

@@ -311,7 +311,7 @@ const helpData = (channel) => {
         return {
             headerData: _.get(result, '[0]', {}),
             content: _.assign({
-                hotSearch: _.slice(_.get(result, '[1].data', []), 0, 5),
+                hotSearch: _.slice(_.get(result, '[1].data', []), 0, 4),
                 selfService: {
                     categoryName: '自助服务',
                     list: _processServiceData(_.get(result, '[3].data', []))