Iview checkbox clicks twice to cancel all selections?

        <div>

          
            <CheckboxGroup
                v-model="checkedItems"
                @on-change="checkboxOnChange"
            >
                <Checkbox
                    v-for="(item,index) in userList"
                    :label="item.userId+"|"+item.name"
                    :true-value="item.checked"
                    :false-value="!item.checked"
                    :key="item.userId"
                    :value="item.userId"
                    v-model="item.checked"
                >
                    {{item.name}}{{item.userId}}
                </Checkbox>
            </CheckboxGroup>
        </div>
        <div
            slot="footer"
            style=""
        >
            <Button
                type="primary"
                @click="checkAll"
            ></Button>
            <Button
                type="primary"
                @click="noCheck"
            ></Button>
            <Button
                type="primary"
                @click="confirm"
            ></Button>
        </div>
        
        userList: any = [
            {
            checked:0,
            isMatch:false,
            mobile:"13822254125",
            name:"bbb",
            userId:"13822254125"},
            {
            checked:0,
            isMatch:false,
            mobile:"15955562323",
            name:"aaa",
            userId:"15955562323"}
        ];
          checkAll() {
            for (let i = 0; i < this.userList.length; iPP) {
              this.userList[i].checked = 1;
            }
            this.checkedItems = this.userList;
            this.menuIds=[];
            this.menuNames=[];
            console.log("this.checkedItems:",this.checkedItems)
            for(let j=0;j<this.checkedItems.length;jPP){
              this.menuIds.push(this.checkedItems[j].userId)
              this.menuNames.push(this.checkedItems[j].name)
            }
         }
          noCheck() {
            console.log("noCheck")
            for (let i = 0; i < this.userList.length; iPP) {
              this.userList[i].checked = 0;
            }
            console.log("this.userList:",this.userList)
            this.checkedItems = [];
            this.menuIds=[];
            this.menuNames=[];
          }
        
        
Jun.29,2022

trueValue = true;
falseValue = false;
< CheckboxGroup

                v-model="checkedItems"
                @on-change="checkboxOnChange"
                value=""
            >
                <Checkbox
                    v-for="(item,index) in userList"
                    :label="item.userId+'|'+item.name"
                    :true-value="trueValue"
                    :false-value="falseValue"
                    :key="item.userId"
                    :value="item.userId"
                    v-model="item.checked"
                    :indeterminate="indeterminate"
                >
                    {{item.name}}{{item.userId}}
                </Checkbox>
            </CheckboxGroup>
            userListchecked,true-valuetruefalse-valuefalse,~
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e73b00-4624d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e73b00-4624d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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