combo disabled 状态发生变更时，禁用点击弹出

src/controls/input/combo.js

@@ -81,9 +81,7 @@ export default function () {
         initComponent() {
             const that = this
             const toggle = function (e) {
-                // @ts-ignore
-                const config = this.config
-                const {readOnly, disabled} = config
+                const {readOnly, disabled} = that
                 if (readOnly || disabled) {
                     return
                 }
@@ -150,4 +148,4 @@ export default function () {
         })
     )
 
-}
+}