diff --git a/packages/select/src/select.vue b/packages/select/src/select.vue
index eff69700..78742403 100644
--- a/packages/select/src/select.vue
+++ b/packages/select/src/select.vue
@@ -448,6 +448,7 @@
 
       doDestroy() {
         this.$refs.popper && this.$refs.popper.doDestroy();
+        this.dropdownUl = null;
       },
 
       handleClose() {