Merge remote-tracking branch 'origin/messagePass220412' into test

src/css/common.less

@@ -355,4 +355,20 @@ input.canEditDept {
   border-radius: 22px;
   color: #fff;
   font-size: 12px;
+}
+.mask {
+  position: fixed;
+  width: 100%;
+  height: 100%;
+  background: #000;
+  opacity: 0.5;
+  left: 0;
+  top: 0;
+}
+.loadingImg{
+  position: fixed;
+  left: 50%;
+  top: 50%;
+  width: 60px;
+  margin: -30px 0 0 -30px;
 }