Update reg.js

fix(regx): update regx for unicom

src/user/js/reg.js

@@ -16,7 +16,7 @@ rule_sid = /^[0-9A-Za-z]{1,20}$/g;
 rule_name = /^\S{2,5}$/g;
 rule_user = [
 	/^1\d{10}$/g,//电
-	/^ZS(?:ZJLAN)?\d{10}@16900.gd$/g,//联
+	/^([0-9A-Za-z\-_\.]+)@16900.gd$/g,//联
 	/^1\d{10}@139.gd$/g,//移
 	/^\S+$/g];//其
 rule_room = /^[1-9]{1}\d{2,4}$/g;