elememtUI 的switch组件默认不起效

...
 <el-form-item label="是否显示：" prop="IsShow">
           <el-switch
             v-model="editForm.IsShow"
             active-color="#13ce66"
             active-value="1"
             inactive-value="0"
             active-text="是"
             inactive-text="否">
           </el-switch>
        </el-form-item>
...

editForm:{
                "IsShow":1,
              },
...
 <el-form-item label="是否显示：" prop="Is