diff --git a/packages/stepper/index.vue b/packages/stepper/index.vue
index de6244f0c..cebf5a286 100644
--- a/packages/stepper/index.vue
+++ b/packages/stepper/index.vue
@@ -49,7 +49,7 @@ export default create({
   },
 
   data() {
-    const value = this.range(this.value || this.defaultValue);
+    const value = this.range(this.isDef(this.value) ? this.value : this.defaultValue);
     if (value !== +this.value) {
       this.$emit('input', value);
     }