样式优化

src/app/share/dialog-delete/dialog-delete.component.less

@@ -8,7 +8,7 @@
   width: 100%;
   height: 100%;
   background: rgba(0, 0, 0, 0.4);
-  z-index: 99;
+  z-index: 9999999;
 
   .modalBody {
     width: 350px;