make cmd Command 时生成的文件没有内容

1. 运行环境

go version go1.17.5 darwin/amd64

2. 问题描述？

go run main.go make cmd testCommand

[app/cmd/test_command.go] created.
command name:test_command
command variable name: cmd.CmdTestCommand
please edit main.go's app.Commands slice to register command

pkg/file/file.go

// Put 将数据存入文件
func Put(data []byte, to string) error {
    err := ioutil.WriteFile(to, data, 0644)
    log.Println(ioutil.WriteFile(to, data, 0644))
    if err != nil {
        return err
    }
    return nil
}

app/cmd/make/make.go

// createFileFromStub 读取 stub 文件并进行变量替换
func createFileFromStub(filePath string, stubName string, model Model, variables ...interface{}) {
    `
    `
    `
    // 读取 stub 模板文件
    modelData, _ := stubsFS.ReadFile("stubs/"  + stubName +  ".stub")
    modelStub :=  string(modelData)

    // 对模板内容做变量替换
    for search, replace :=  range replaces {
        modelStub = strings.ReplaceAll(modelStub, search, replace)
    }
    log.Println(modelStub)
    `
    `
    `
}

go run main.go make cmd testCommand

2022/01/08 18:26:57
2022/01/08 18:26:57 <nil>
[app/cmd/test_command.go] created.
command name:test_command
command variable name: cmd.CmdTestCommand
please edit main.go's app.Commands slice to register command

3. 您期望得到的结果？

4. 您实际得到的结果？