diff --git a/packages/stepper/demo/index.vue b/packages/stepper/demo/index.vue
index 3b20351aa..c3fbc1efa 100644
--- a/packages/stepper/demo/index.vue
+++ b/packages/stepper/demo/index.vue
@@ -51,9 +51,16 @@ export default {
       stepper3: null
     };
   },
+
   methods: {
     onChange(value) {
+      if (this.changing) {
+        return;
+      }
+
+      this.changing = true;
       setTimeout(() => {
+        this.changing = false;
         this.stepper2 = value;
       }, 500);
     }
diff --git a/packages/stepper/en-US.md b/packages/stepper/en-US.md
index 3add0f3c9..0f3602ba5 100644
--- a/packages/stepper/en-US.md
+++ b/packages/stepper/en-US.md
@@ -51,8 +51,14 @@ export default {
 
   methods: {
     onChange(value) {
+      if (this.changing) {
+        return;
+      }
+
+      this.changing = true;
       setTimeout(() => {
         this.value = value;
+        this.changing = false;
       }, 500);
     }
   }
diff --git a/packages/stepper/zh-CN.md b/packages/stepper/zh-CN.md
index a3ffcba7b..eee1ed89d 100644
--- a/packages/stepper/zh-CN.md
+++ b/packages/stepper/zh-CN.md
@@ -53,8 +53,14 @@ export default {
 
   methods: {
     onChange(value) {
+      if (this.changing) {
+        return;
+      }
+
+      this.changing = true;
       setTimeout(() => {
         this.value = value;
+        this.changing = false;
       }, 500);
     }
   }