优化popover组件 --- fix1

src/utils/app-popover/app-popover.less

@@ -8,7 +8,7 @@
     .app-popover.app-popper {
         border-radius: 5px;
         overflow: auto;
-        border: 1px solid #e8e8e8;
+        border: 1px solid #bfbfbf;
         padding: 5px;
         background: #e8e8e8;
     }