fix(dropdown): 修复dropdown组件在虚拟滚动表格中报错问题

packages/renderless/package.json

@@ -1,9 +1,18 @@
 {
   "name": "@opentiny/vue-renderless",
+  "version": "3.16.2",
   "private": true,
-  "version": "3.16.1",
   "description": "An enterprise-class UI component library, support both Vue.js 2 and Vue.js 3, as well as PC and mobile.",
+  "author": "OpenTiny Team",
+  "license": "MIT",
   "homepage": "https://opentiny.design/tiny-vue",
+  "repository": {
+    "type": "git",
+    "url": "[email protected]:opentiny/tiny-vue.git"
+  },
+  "bugs": {
+    "url": "https://github.com/opentiny/tiny-vue/issues"
+  },
   "keywords": [
     "vue",
     "vue3",
@@ -15,29 +24,20 @@
     "renderless-components",
     "headless-components"
   ],
-  "author": "OpenTiny Team",
-  "license": "MIT",
-  "repository": {
-    "type": "git",
-    "url": "[email protected]:opentiny/tiny-vue.git"
-  },
-  "bugs": {
-    "url": "https://github.com/opentiny/tiny-vue/issues"
-  },
   "sideEffects": false,
+  "exports": {
+    "./package.json": "./package.json",
+    "./*": "./src/*"
+  },
   "scripts": {
     "build": "tsup",
     "build:fast": "npm run build && npm run release",
     "postversion": "pnpm build",
     "release": "esno ./scripts/postbuild.ts && shx cp README.md dist"
   },
   "dependencies": {
-    "xss": "1.0.11",
-    "color": "4.2.3"
-  },
-  "exports": {
-    "./package.json": "./package.json",
-    "./*": "./src/*"
+    "color": "4.2.3",
+    "xss": "1.0.11"
   },
   "devDependencies": {
     "esno": "^0.16.3",

packages/renderless/src/dropdown-menu/index.ts

@@ -132,12 +132,19 @@ export const useVuePopper = ({
 
   onMounted(() => {
     if (!dropdownVm) return
-    dropdownVm.popperElm = popper.popperElm.value = vm.$el
-    nextTick(() => (popper.referenceElm.value = dropdownVm.$el))
 
-    !props.multiStage && dropdownVm.initDomOperation()
+    if (popper.popperElm) {
+      dropdownVm.popperElm = popper.popperElm.value = vm.$el
+      nextTick(() => {
+        if (popper.referenceElm) {
+          popper.referenceElm.value = dropdownVm.$el
+        }
+      })
+
+      !props.multiStage && dropdownVm.initDomOperation()
+    }
 
-    if (dropdownVm.inheritWidth) {
+    if (dropdownVm.inheritWidth && popper.popperElm) {
       dropdownVm.popperElm.style.minWidth = dropdownVm.$el.clientWidth + 'px'
     }
   })