From eba60e2081ca48f26f7de20ec7b941a4519ed60c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=89=9B=E9=91=AB=E8=AF=AD?= <niuxinyu@szbit.cn>
Date: Wed, 30 Mar 2022 10:01:28 +0800
Subject: [PATCH] fixed ref

---
 06-ref.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/06-ref.js b/06-ref.js
index a6eb520..fb71de7 100644
--- a/06-ref.js
+++ b/06-ref.js
@@ -59,8 +59,10 @@ function ref(raw) {
       return raw
     },
     set value(newVal) {
-      raw = newVal
-      trigger(r, 'value')
+      if(raw != newVal){
+        raw = newVal
+        trigger(r, 'value')
+      } 
     },
   }
   return r