Fix #428

mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/QQAndroidBotNetworkHandler.kt

@@ -24,6 +24,7 @@ import net.mamoe.mirai.event.events.BotOfflineEvent
 import net.mamoe.mirai.event.events.BotOnlineEvent
 import net.mamoe.mirai.event.events.BotReloginEvent
 import net.mamoe.mirai.message.MessageEvent
+import net.mamoe.mirai.network.RetryLaterException
 import net.mamoe.mirai.network.UnsupportedSMSLoginException
 import net.mamoe.mirai.network.WrongPasswordException
 import net.mamoe.mirai.qqandroid.QQAndroidBot
@@ -176,8 +177,12 @@ internal class QQAndroidBotNetworkHandler(coroutineContext: CoroutineContext, bo
                     }
                 }
 
-                is WtLogin.Login.LoginPacketResponse.Error ->
+                is WtLogin.Login.LoginPacketResponse.Error -> {
+                    if (response.message.contains("0x9a")) { //Error(title=登录失败, message=请你稍后重试。(0x9a), errorInfo=)
+                        throw RetryLaterException()
+                    }
                     throw WrongPasswordException(response.toString())
+                }
 
                 is WtLogin.Login.LoginPacketResponse.DeviceLockLogin -> {
                     response = WtLogin.Login.SubCommand20(

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/network/LoginFailedException.kt

@@ -13,6 +13,8 @@ package net.mamoe.mirai.network
 
 import net.mamoe.mirai.Bot
 import net.mamoe.mirai.utils.MiraiExperimentalAPI
+import net.mamoe.mirai.utils.MiraiInternalAPI
+import net.mamoe.mirai.utils.SinceMirai
 
 /**
  * 在 [登录][Bot.login] 失败时抛出, 可正常地中断登录过程.
@@ -29,17 +31,24 @@ sealed class LoginFailedException constructor(
 /**
  * 密码输入错误 (有时候也会是其他错误, 如 `"当前上网环境异常，请更换网络环境或在常用设备上登录或稍后再试。"`)
  */
-class WrongPasswordException(message: String?) : LoginFailedException(true, message)
+class WrongPasswordException @MiraiInternalAPI constructor(message: String?) : LoginFailedException(true, message)
 
 /**
  * 无可用服务器
  */
-class NoServerAvailableException(override val cause: Throwable?) : LoginFailedException(false, "no server available")
+class NoServerAvailableException @MiraiInternalAPI constructor(override val cause: Throwable?) :
+    LoginFailedException(false, "no server available")
+
+/**
+ * 服务器要求稍后重试
+ */
+@SinceMirai("1.2.0")
+class RetryLaterException @MiraiInternalAPI constructor() : LoginFailedException(false, "server requests retrial later")
 
 /**
  * 无标准输入或 Kotlin 不支持此输入.
  */
-class NoStandardInputForCaptchaException(override val cause: Throwable?) :
+class NoStandardInputForCaptchaException @MiraiInternalAPI constructor(override val cause: Throwable?) :
     LoginFailedException(true, "no standard input for captcha")
 
 /**