['required', 'between:1,20'], 'remark' => ['between:0,100'], ]; } public function messages() { return [ 'name.required' => 100017, 'name.between' => 100018, 'remark.between' => 100019, ]; } public function failedValidation(Validator $validator) { Yo::error_echo($validator->errors()->first()); } }