fix watch

dist/fix/fix.js

@@ -814,7 +814,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
                     // Deep watchers and watchers on Object/Arrays should fire even
                     // when the value is the same, because the value may
                     // have mutated.
-                this.deep) {
+                    _.isArray(value) || this.deep) {
                     // set new value
                     var oldValue = this.value;
                     this.value = value;