diff --git a/package.json b/package.json
index e3123b3d0ff..84ac006fc84 100644
--- a/package.json
+++ b/package.json
@@ -90,7 +90,7 @@
     "highlight.js": "^9.18.1",
     "lodash-es": "^4.17.15",
     "treemate": "^0.1.11",
-    "vdirs": "^0.0.1",
+    "vdirs": "^0.0.3",
     "vfonts": "^0.0.1",
     "vooks": "^0.0.1",
     "vue": "^3.0.2",
diff --git a/rollup.config.js b/rollup.config.js
index 1f33c3db841..0c9a3708f85 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -50,6 +50,7 @@ module.exports = {
     '@css-render/plugin-bem',
     'vueuc',
     'vooks',
-    'evtd'
+    'evtd',
+    'vdirs'
   ])
 }
diff --git a/src/popover/src/PopoverBody.js b/src/popover/src/PopoverBody.js
index 6aa612d2232..6807d90a073 100644
--- a/src/popover/src/PopoverBody.js
+++ b/src/popover/src/PopoverBody.js
@@ -221,6 +221,7 @@ export default {
       enabled: this.followerEnabled,
       to: this.adjustedTo,
       placement: this.placement,
+      containerClass: this.namespace,
       ref: 'followerRef'
     }, {
       default: () => {