diff --git a/src/components/knockGold/index.jsx b/src/components/knockGold/index.jsx
index 627a1a92..1c20b334 100644
--- a/src/components/knockGold/index.jsx
+++ b/src/components/knockGold/index.jsx
@@ -752,10 +752,12 @@ export default class addKnockGold extends Component {
                 onChange={({ target }) => {
                   this.onHandleChange(target.value, "channel")
                   if (target.value == 1) {
+                    this.onHandleChange("voucher_wechat_lsxd", "provider")
                     this.onHandleChange(defaultInstructionZfb, "instruction")
                   } else if (target.value == 2) {
                     this.onHandleChange(defaultInstructionWx, "instruction")
                   } else {
+                    this.onHandleChange("voucher_wechat_lsxd", "provider")
                     this.onHandleChange("", "instruction")
                   }
                 }}