diff --git a/APIServer.exe b/APIServer.exe
index b4e6f31..36bfdbe 100644
Binary files a/APIServer.exe and b/APIServer.exe differ
diff --git a/APIServer.go b/APIServer.go
index 2a2674e..e4f67a1 100644
--- a/APIServer.go
+++ b/APIServer.go
@@ -3,6 +3,8 @@ package main
 import (
 	"APIServer/cnf"
 	"APIServer/ews"
+	"crypto/md5"
+	"encoding/hex"
 	"encoding/json"
 	"errors"
 	"flag"
@@ -311,7 +313,7 @@ func handleFileInfo(w http.ResponseWriter, r *http.Request) {
 		FileName     string `json:"FileName"`
 		FileSize     int64  `json:"FileSize"`
 		LastModified string `json:"LastModified"`
-		//MD5Hash      string `json:"MD5Hash"`
+		MD5Hash      string `json:"MD5Hash"`
 	}
 	type FileList struct {
 		FileList []FileInfo `json:"FileList"`
@@ -324,7 +326,7 @@ func handleFileInfo(w http.ResponseWriter, r *http.Request) {
 			fileInfo.FileName = info.Name()
 			fileInfo.FileSize = info.Size()
 			fileInfo.LastModified = info.ModTime().Format("2006-01-02 15:04:05")
-			//fileInfo.MD5Hash = fileMD5(path)
+			fileInfo.MD5Hash = fileMD5(path)
 			infoList = append(infoList, fileInfo)
 		}
 		return nil
@@ -471,7 +473,7 @@ func parseReqParams(r *http.Request) (map[string]string, error) {
 	return params, nil
 }
 
-/* func fileMD5(filePath string) string {
+func fileMD5(filePath string) string {
 	file, err := os.Open(filePath)
 	if err != nil {
 		return ""
@@ -482,7 +484,7 @@ func parseReqParams(r *http.Request) (map[string]string, error) {
 		return ""
 	}
 	return hex.EncodeToString(hash.Sum(nil))
-} */
+}
 
 func chkParams(arg string) bool {
 	if strings.Contains(arg, ";") ||