diff --git a/public/index.html b/public/index.html
index b523e40..7e795d1 100644
--- a/public/index.html
+++ b/public/index.html
@@ -103,6 +103,20 @@
           opacity: 1
         }
       }
+
+      /* 组织机构数选择组件样式修改 start */
+      .popover-tree>.ant-popover-content {
+        margin-top: -15px;
+        border: 1px solid #1890ff;
+        max-height: 400px;
+        overflow-y: auto;
+      }
+
+      .popover-tree>.ant-popover-content>.ant-popover-arrow {
+        display: none;
+      }
+
+      /* 组织机构数选择组件样式修改 end */
     </style>
     <!-- require cdn assets css -->
     <% for (var i in htmlWebpackPlugin.options.cdn && htmlWebpackPlugin.options.cdn.css) { %>