diff --git a/packages/badge-group/index.ts b/packages/badge-group/index.ts
index 1553dc3b..7e7ca429 100644
--- a/packages/badge-group/index.ts
+++ b/packages/badge-group/index.ts
@@ -1,4 +1,5 @@
 import { VantComponent } from '../common/component';
+import { isNumber } from '../common/utils';
 
 VantComponent({
   relation: {
@@ -31,11 +32,11 @@ VantComponent({
   },
 
   methods: {
-    setActive(badge: Weapp.Component) {
+    setActive(badge: Weapp.Component | number) {
       let { active } = this.data;
       const { badges } = this;
 
-      if (badge) {
+      if (badge && !isNumber(badge)) {
         active = badges.indexOf(badge);
       }
 
diff --git a/packages/common/utils.ts b/packages/common/utils.ts
index 89073303..765c483d 100644
--- a/packages/common/utils.ts
+++ b/packages/common/utils.ts
@@ -7,7 +7,12 @@ function isObj(x: any): boolean {
   return x !== null && (type === 'object' || type === 'function');
 }
 
+function isNumber(value) {
+  return /^\d+$/.test(value);
+}
+
 export {
   isObj,
-  isDef
+  isDef,
+  isNumber
 };