diff --git a/src/stepper/README.md b/src/stepper/README.md
index 70310bb2a..ca8f308f0 100644
--- a/src/stepper/README.md
+++ b/src/stepper/README.md
@@ -88,7 +88,8 @@ export default {
     onChange(value) {
       Toast.loading({ forbidClick: true });
 
-      setTimeout(() => {
+      clearTimeout(this.timer);
+      this.timer = setTimeout(() => {
         Toast.clear();
         this.value = value;
       }, 500);
diff --git a/src/stepper/README.zh-CN.md b/src/stepper/README.zh-CN.md
index 51759683e..6ddcbb535 100644
--- a/src/stepper/README.zh-CN.md
+++ b/src/stepper/README.zh-CN.md
@@ -110,9 +110,9 @@ export default {
     onChange(value) {
       Toast.loading({ forbidClick: true });
 
-      setTimeout(() => {
+      clearTimeout(this.timer);
+      this.timer = setTimeout(() => {
         Toast.clear();
-
         // 注意此时修改 value 后会再次触发 change 事件
         this.value = value;
       }, 500);
diff --git a/src/stepper/demo/index.vue b/src/stepper/demo/index.vue
index 7119ee440..be24bb152 100644
--- a/src/stepper/demo/index.vue
+++ b/src/stepper/demo/index.vue
@@ -91,7 +91,8 @@ export default {
     onChange(value) {
       this.$toast.loading({ forbidClick: true });
 
-      setTimeout(() => {
+      clearTimeout(this.timer);
+      this.timer = setTimeout(() => {
         this.stepper6 = value;
         this.$toast.clear();
       }, 500);