You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: password.go
    path of file: ./repos/yao/helper
    
    the code of the file until where you have to start completion: package helper

import (
	"github.com/yaoapp/gou/process"
	"github.com/yaoapp/kun/exception"
	"golang.org/x/crypto/bcrypt"
)

// PasswordValidate 校验密码
func Passwo
    
func PasswordValidate(password string, passwordHash string) bool {
	err := bcrypt.CompareHashAndPassword([]byte(passwordHash), []byte(password))
	if err != nil {
		exception.New("密码不正确", 400).Throw()
		return false
	}
	return true
}