步进器抛出值类型修改

src/components/app-mob-stepper/app-mob-stepper.vue

@@ -33,7 +33,7 @@ export default class AppStepper extends Vue {
     }
 
     set curValue(value:any){
-        this.$emit('change',value);
+        this.$emit('change',value.toString());
     }
 
     public mounted(){