视图消息样式调整

src/styles/default.less

@@ -124,11 +124,14 @@
             // flex-grow: 1;
             height: calc(100% - 74px);
             padding: 0px;
+            display: flex;
+            flex-direction: column;
             > .content-container {
                 height: 100%;
                 display: flex;
                 margin: 0;
                 flex-direction: column;
+                overflow: auto;
             }
         }
     }