From 3cb7d50a7b6687406f8111c9e04f808e2e1d4c79 Mon Sep 17 00:00:00 2001
From: qiang <guoshengqiang@live.com>
Date: Mon, 4 Nov 2019 17:45:38 +0800
Subject: [PATCH] fix: app-v3 picker-view value

---
 src/core/view/components/picker-view/index.vue | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/src/core/view/components/picker-view/index.vue b/src/core/view/components/picker-view/index.vue
index 191370256..04f2c3cc6 100644
--- a/src/core/view/components/picker-view/index.vue
+++ b/src/core/view/components/picker-view/index.vue
@@ -37,13 +37,15 @@ export default {
     }
   },
   watch: {
-    value (val) {
-      this.valueSync.length = val.length
-      val.forEach((val, index) => {
-        if (val !== this.valueSync[index]) {
-          this.$set(this.valueSync, index, val)
-        }
-      })
+    value (val, oldVal) {
+      if (val === oldVal || val.length !== oldVal.length || val.find((item, index) => item !== oldVal[index])) {
+        this.valueSync.length = val.length
+        val.forEach((val, index) => {
+          if (val !== this.valueSync[index]) {
+            this.$set(this.valueSync, index, val)
+          }
+        })
+      }
     },
     valueSync: {
       deep: true,
-- 
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