diff --git a/util/saltMd5.js b/util/saltMd5.js
deleted file mode 100644
index c3a233b..0000000
--- a/util/saltMd5.js
+++ /dev/null
@@ -1,24 +0,0 @@
-const key="3mang";
-const crypto = require('crypto');
-module.exports={
-		md5AddSalt:function(password){
-			var salt=Math.floor(Math.random()*100);
-			var decipher = crypto.createHash('md5',key);
-			var md5Pass=decipher.update(password+""+salt).digest("hex");
-			return {
-				salt:salt,
-				md5Pass:md5Pass
-			};
-		},
-		md5:function(password){
-			var md5Pass = crypto.createHash('md5').update(password).digest("hex");
-			return md5Pass
-		},
-		md5Salt:function(password,salt){
-      if(salt == null){
-        salt = '';
-      }
-			var decipher = crypto.createHash('md5',key);
-			return decipher.update(password+salt).digest("hex");
-		}
-};
\ No newline at end of file