im fix

@@ -16,9 +16,10 @@ const chatQa = require(`${cRoot}/chatQa`); // 问题搜索列表页
 // middlware
 
 const authGuard = require('../../doraemon/middleware/auth');
+const disableBFCache = require('../../doraemon/middleware/disable-bfcache');
 
 // Your controller here
-router.get('/im', chat.appAdapter, authGuard, chat.page);
+router.get('/im', disableBFCache, chat.appAdapter, authGuard, chat.page);
 router.get('/im/fetchHistory', chat.fetchHistory);
 router.get('/getOrders', chat.getOrders);
 router.get('/im/global-list', chat.queryGlobalOrder);

@@ -13,6 +13,7 @@ const LeaveMSGView = function(elem) {
     this.$input = this.$elem.find('.leave-text');
     this.$doc = $(document);
     this.bindEvents();
+    this.isSending = false;
 };
 
 LeaveMSGView.prototype = $.extend({}, EventEmitter.prototype, {
@@ -48,6 +49,13 @@ LeaveMSGView.prototype = $.extend({}, EventEmitter.prototype, {
      * 提交留言的hanlder
     */
     submit() {
+        if (this.isSending) {
+            tip.show('正在发送..');
+            return;
+        }
+
+        this.isSending = true;
+
         let self = this;
         let content = $.trim(this.$input.val());
 
@@ -61,6 +69,9 @@ LeaveMSGView.prototype = $.extend({}, EventEmitter.prototype, {
             })
             .fail(function() {
                 self.trigger('save.LeaveMSGView', '留言失败');
+            })
+            .always(function() {
+                self.isSending = false;
             });
 
         self.toggleHide(true);

@@ -136,6 +136,7 @@
         }
 
         .msg-content {
+            max-width: 90%;
             margin: 0 0 0 10px;
             background: #646464;
             color: #fff;