diff --git a/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/protocol/packet/login/WtLogin.kt b/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/protocol/packet/login/WtLogin.kt
index 6c7c5b26b..6bca8ade1 100644
--- a/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/protocol/packet/login/WtLogin.kt
+++ b/mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/protocol/packet/login/WtLogin.kt
@@ -325,7 +325,7 @@ internal class WtLogin {
                 2 -> onSolveLoginCaptcha(tlvMap, bot)
                 160 /*-96*/ -> onUnsafeDeviceLogin(tlvMap)
                 204 /*-52*/ -> onSMSVerifyNeeded(tlvMap, bot)
-                else -> tlvMap[0x149]?.let { analysisTlv149(it) } ?: error("unknown login result type: $type")
+                else -> tlvMap[0x149]?.let { analysisTlv149(it) } ?: error("unknown login result type: $type, TLVMap = ${tlvMap.contentToString()}")
             }
         }