diff --git a/dsSzxy/Utils/CommonUtil/CommonUtil.go b/dsSzxy/Utils/CommonUtil/CommonUtil.go
index 311ad576..a6d5017d 100644
--- a/dsSzxy/Utils/CommonUtil/CommonUtil.go
+++ b/dsSzxy/Utils/CommonUtil/CommonUtil.go
@@ -291,3 +291,15 @@ func GetUUID() string {
 	u2 := strings.ToUpper(uuid.NewV4().String())
 	return u2
 }
+
+/**
+功能: 获取扩展名
+ */
+func Ext(path string) string {
+	for i := len(path) - 1; i >= 0 && path[i] != '/'; i-- {
+		if path[i] == '.' {
+			return path[i:]
+		}
+	}
+	return ""
+}
\ No newline at end of file
diff --git a/dsSzxy/WinBuild/Distribute.exe b/dsSzxy/WinBuild/Distribute.exe
index c2afe9ee..92378f72 100644
Binary files a/dsSzxy/WinBuild/Distribute.exe and b/dsSzxy/WinBuild/Distribute.exe differ
diff --git a/dsSzxy/build/dsSzxy b/dsSzxy/build/dsSzxy
index 91d6ff3c..909117ba 100644
Binary files a/dsSzxy/build/dsSzxy and b/dsSzxy/build/dsSzxy differ
diff --git a/dsSzxy/main.go b/dsSzxy/main.go
index b5701fc5..76ae2fed 100644
--- a/dsSzxy/main.go
+++ b/dsSzxy/main.go
@@ -17,25 +17,6 @@ import (
 	"strings"
 )
 
-func Ext(path string) string {
-	for i := len(path) - 1; i >= 0 && path[i] != '/'; i-- {
-		if path[i] == '.' {
-			return path[i:]
-		}
-	}
-	return ""
-}
-func PathExists(path string) (bool, error) {
-	_, err := os.Stat(path)
-	if err == nil {
-		return true, nil
-	}
-	if os.IsNotExist(err) {
-		return false, nil
-	}
-	return false, err
-}
-
 // @title 东师理想智慧校园支撑系统
 // @version 2.0
 // @description
@@ -68,13 +49,13 @@ func main() {
 			return
 		}
 		//扩展名
-		ext := Ext(file.Filename)
+		ext := CommonUtil.Ext(file.Filename)
 		ext = strings.ToLower(ext)
 		//真实文件名
 		uuid := CommonUtil.GetUUID()
 		//子目录
 		p := ConfigUtil.SavePath + uuid[0:2]
-		exist, _ := PathExists(p)
+		exist := CommonUtil.Exists(p)
 		if !exist {
 			os.Mkdir(p, os.ModePerm)
 		}