bug fix

@@ -517,7 +517,7 @@ func UserList(param protocol.RequestUserList) (protocol.ResponseUserList, error)
 	)
 	)
 	cond = append(cond, param.Companyid)
 	cond = append(cond, param.Companyid)
 	if len(param.NickName) > 0 {
 	if len(param.NickName) > 0 {
-		whereString += ` AND b.nick_name LIKE ? `
+		whereString += ` AND a.nick_name LIKE ? `
 		likeCond := "%" + param.NickName + "%"
 		likeCond := "%" + param.NickName + "%"
 		cond = append(cond, likeCond)
 		cond = append(cond, likeCond)
 	}
 	}