From 32685f14ce9c689c22ebbd7de96ce9d7addee9da Mon Sep 17 00:00:00 2001
From: guy <guy@finereport.com>
Date: Mon, 20 Sep 2021 02:38:24 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=AF=E6=8C=81=E8=87=AA=E5=8A=A8watch?=
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---
 src/core/4.widget.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/4.widget.js b/src/core/4.widget.js
index 56ad3a02a..14397ca2e 100644
--- a/src/core/4.widget.js
+++ b/src/core/4.widget.js
@@ -202,7 +202,7 @@
         __watch: function (getter, handler, options) {
             if (Fix.Model.target) {
                 this._watchers = this._watchers || [];
-                var watcher = new Fix.Watcher(Fix.Model.target, BI.bind(getter, this), handler || BI.emptyFn, options);
+                var watcher = new Fix.Watcher(Fix.Model.target, BI.bind(getter, this), (handler && BI.bind(handler, this)) || BI.emptyFn, options);
                 this._watchers.push(watcher);
                 return watcher.value;
             } else {