diff --git a/src/main/go-mod/excel.go b/src/main/go-mod/excel.go
deleted file mode 100644
index 1bfb4a0..0000000
--- a/src/main/go-mod/excel.go
+++ /dev/null
@@ -1,48 +0,0 @@
-package excel
-
-import (
-	"fmt"
-	"reflect"
-
-	"github.com/360EntSecGroup-Skylar/excelize"
-)
-
-// WriteXlsx 生成表格到本地服务器
-func WriteXlsx(sheet string, records interface{}) *excelize.File {
-	f := excelize.NewFile()    // new file
-	index := f.NewSheet(sheet) // new sheet
-	f.SetActiveSheet(index)    // set active (default) sheet
-	firstCharacter := 65       // start from 'A' line
-	t := reflect.TypeOf(records)
-
-	if t.Kind() != reflect.Slice {
-		return f
-	}
-
-	s := reflect.ValueOf(records)
-	for i := 0; i < s.Len(); i++ {
-		elem := s.Index(i).Interface()
-		elemType := reflect.TypeOf(elem)
-		elemValue := reflect.ValueOf(elem)
-		for j := 0; j < elemType.NumField(); j++ {
-			field := elemType.Field(j)
-			// 结构体中xlsx 类似json
-			tag := field.Tag.Get("xlsx")
-			name := tag
-			column := string(firstCharacter + j)
-			if tag == "" {
-				continue
-			}
-			// 设置表头
-			if i == 0 {
-				f.SetCellValue(sheet, fmt.Sprintf("%s%d", column, i+1), name)
-			}
-			// 设置列宽
-			f.SetColWidth(sheet, "A", fmt.Sprintf("%s", column), 20)
-
-			// 设置内容
-			f.SetCellValue(sheet, fmt.Sprintf("%s%d", column, i+2), elemValue.Field(j).Interface())
-		}
-	}
-	return f
-}
diff --git a/src/main/go-mod/func.go b/src/main/go-mod/func.go
deleted file mode 100644
index d88120a..0000000
--- a/src/main/go-mod/func.go
+++ /dev/null
@@ -1,24 +0,0 @@
-package main
-
-import "fmt"
-
-type Publisher struct {
-        name string
-        address string
-}
-type Book struct {
-    title, name string
-    publisher Publisher
-}
-
-func main() {
-    var book = Book{"title","name",Publisher{"pub","beijing"}}
-   /* 这是我的第一个简单的程序 */
-   fmt.Println("Hello, World!")
-   fmt.Println(book)
-
-}
-
-func test (book Book) (b1 Book, b2 Book){
-    return book,book
-}
\ No newline at end of file
diff --git a/src/main/go-mod/main.go b/src/main/go-mod/main.go
deleted file mode 100644
index 7ac7c81..0000000
--- a/src/main/go-mod/main.go
+++ /dev/null
@@ -1,6 +0,0 @@
-package main
-
-func main(){
-   printf('hello wold')
-   io.out('ok')
-}
\ No newline at end of file
diff --git a/src/main/go-mod/struct.go b/src/main/go-mod/struct.go
deleted file mode 100644
index 1de4533..0000000
--- a/src/main/go-mod/struct.go
+++ /dev/null
@@ -1,7 +0,0 @@
-package test
-type Books struct {
-   title string
-   author string
-   subject string
-   book_id int
-}