diff --git a/examples/routers/checkbox.vue b/examples/routers/checkbox.vue
index 0edaf8a4c..04f83408e 100644
--- a/examples/routers/checkbox.vue
+++ b/examples/routers/checkbox.vue
@@ -88,7 +88,7 @@
         data () {
             return {
                 social: ['facebook', 'github'],
-                fruit: ['苹果'],
+                fruit: null,
                 tags: [],
                 testValue1: null,
                 testValue2: null,
diff --git a/src/components/checkbox/checkbox.vue b/src/components/checkbox/checkbox.vue
index 8e8985e8a..b94eb5d7d 100644
--- a/src/components/checkbox/checkbox.vue
+++ b/src/components/checkbox/checkbox.vue
@@ -128,7 +128,9 @@
             },
             currentValue () {
                 if (this.CheckboxGroupInstance) {
-                    return this.CheckboxGroupInstance.modelValue.indexOf(this.label) >= 0;
+                    let modelValue = this.CheckboxGroupInstance.modelValue;
+                    modelValue = Array.isArray(modelValue) ? modelValue : []
+                    return modelValue.indexOf(this.label) >= 0;
                 } else {
                     return this.modelValue === this.trueValue;
                 }