wx user id

app/models/employ.rb

@@ -5,7 +5,7 @@ class Employ < ActiveRecord::Base
   validate :employ_validation
   def employ_validation
     usr = User.where("tel = ?", self.mobile).first
-      if usr.blank?
+    if !usr.blank?
         wu = WxUser.where("user_id = ?", usr.id).first
         if !wu.blank?
             self.wx_user_id = wu.id