element 結合vue 在表單驗證時有值卻提示錯誤的解決辦法

<el-form :model="ruleForm" :rules="rules" ref="ruleForm" label-width="100px" class="demo-ruleForm">

<el-form-item label="活動名稱" prop="name"> <el-input v-model="ruleForm.name"></el-input> </el-form-item>

rules: {
name: [
{ required: true, message: '請輸入活動名稱', trigger: 'blur' },
{ min: 3, max: 5, message: '長度在 3 到 5 個字符', trigger: 'blur' }
],
resource: [
{ required: true, message: '請選擇活動資源', trigger: 'change' }
],
}

submitForm(formName) {
this.$refs[formName].validate((valid) => {
if (valid) {

} else {
console.log('error submit!!');
return false;
}
});
},