diff --git a/server/models/user-model.js b/server/models/user-model.js
index 0b09712..80ffc78 100644
--- a/server/models/user-model.js
+++ b/server/models/user-model.js
@@ -7,7 +7,8 @@ const User = new Schema({
     password:{type:String, require:true},
     role:{type:String, require:true, ref:'Role'},
     isActivated:{type:Boolean, require:true, default:false},
-    link:{type:String, default: '', unique: true}
+    link:{type:String, default: '', unique: true},
+    uniq_key:{type:String, unique: true}
 })
 
-module.exports = model('User', User)
\ No newline at end of file
+module.exports = model('User', User)