From 84b9ac590452bc17f4ce0f8b944e3d17b1407298 Mon Sep 17 00:00:00 2001
From: tangjinzhou <415800467@qq.com>
Date: Sat, 20 Nov 2021 15:05:20 +0800
Subject: [PATCH] fix: treeSelect reset undefined not clear #4897 close #4897

---
 components/vc-tree-select/generate.tsx | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/components/vc-tree-select/generate.tsx b/components/vc-tree-select/generate.tsx
index 9c96d84f8..228dddc0f 100644
--- a/components/vc-tree-select/generate.tsx
+++ b/components/vc-tree-select/generate.tsx
@@ -173,16 +173,15 @@ export default function generate(config: {
         getEntityByValue,
       });
 
-      const valueRef = ref<DefaultValueType>(props.defaultValue);
+      const valueRef = ref<DefaultValueType>(
+        props.value === undefined ? props.defaultValue : props.value,
+      );
 
       watch(
         () => props.value,
         () => {
-          if (props.value !== undefined) {
-            valueRef.value = props.value;
-          }
+          valueRef.value = props.value;
         },
-        { immediate: true },
       );
 
       /** Get `missingRawValues` which not exist in the tree yet */