diff --git a/packages/stepper/index.ts b/packages/stepper/index.ts
index 0a0594c4..96ce8abb 100644
--- a/packages/stepper/index.ts
+++ b/packages/stepper/index.ts
@@ -14,6 +14,7 @@ VantComponent({
   ],
 
   props: {
+    value: Number,
     integer: Boolean,
     disabled: Boolean,
     disableInput: Boolean,
@@ -41,6 +42,14 @@ VantComponent({
     }
   },
 
+  watch: {
+    value(value) {
+      this.setData({
+        value: this.range(value)
+      });
+    }
+  },
+
   created() {
     this.setData({
       value: this.range(this.data.value)