diff --git a/channel-service/app/api/wechat_personal.py b/channel-service/app/api/wechat_personal.py
index 28853e6..3be3eec 100644
--- a/channel-service/app/api/wechat_personal.py
+++ b/channel-service/app/api/wechat_personal.py
@@ -14,6 +14,11 @@ router = APIRouter(prefix="/v1/wechat-personal", tags=["wechat-personal"])
 class StartLoginRequest(BaseModel):
     account_id: str = Field(..., description="渠道账号唯一标识")
     account_name: Optional[str] = Field(None, description="账号显示名称")
+    tenant_code: str = Field("default", description="业务系统租户编码")
+
+
+class LoginConfirmRequest(BaseModel):
+    tenant_code: str = Field("default", description="业务系统租户编码")
 
 
 class SendTextRequest(BaseModel):
@@ -30,7 +35,7 @@ class SendImageRequest(BaseModel):
 
 @router.post("/login/start")
 def start_login(request: StartLoginRequest):
-    return login_service.start_login(request.account_id, request.account_name)
+    return login_service.start_login(request.account_id, request.account_name, request.tenant_code)
 
 
 @router.get("/login/{account_id}/status")
@@ -39,8 +44,13 @@ def login_status(account_id: str):
 
 
 @router.post("/login/{account_id}/confirm")
-def confirm_login(account_id: str):
-    return login_service.confirm_login(account_id)
+def confirm_login(account_id: str, request: LoginConfirmRequest):
+    return login_service.confirm_login(account_id, request.tenant_code)
+
+
+@router.post("/login/{account_id}/expire")
+def expire_login(account_id: str, request: LoginConfirmRequest):
+    return login_service.expire_login(account_id, request.tenant_code)
 
 
 @router.post("/send/text")
diff --git a/channel-service/app/clients/pywechat_client.py b/channel-service/app/clients/pywechat_client.py
index 6480890..bf5372e 100644
--- a/channel-service/app/clients/pywechat_client.py
+++ b/channel-service/app/clients/pywechat_client.py
@@ -90,6 +90,20 @@ class PyWeChatClient:
             pass
         return self.state
 
+    def set_login_status(self, status: LoginStatus, error_message: Optional[str] = None) -> None:
+        old = self.state.login_status
+        self.state.login_status = status
+        if status == LoginStatus.SUCCESS:
+            self.state.online_status = OnlineStatus.ONLINE
+            self.state.last_heartbeat_at = time.time()
+        elif status in (LoginStatus.EXPIRED, LoginStatus.FAILED):
+            self.state.online_status = OnlineStatus.OFFLINE
+        if error_message:
+            self.state.error_message = error_message
+
+    def set_online_status(self, status: OnlineStatus) -> None:
+        self.state.online_status = status
+
 
 class ClientRegistry:
     def __init__(self):
diff --git a/channel-service/app/services/login_service.py b/channel-service/app/services/login_service.py
index 43a2519..7110240 100644
--- a/channel-service/app/services/login_service.py
+++ b/channel-service/app/services/login_service.py
@@ -4,15 +4,19 @@ import time
 from typing import Optional
 
 from app.clients.pywechat_client import ClientRegistry, LoginStatus, OnlineStatus, registry
+from app.models.event import EventType, OutboundEvent
+from app.repositories.event_store import EventStore
 
 
 class LoginService:
     def __init__(self, registry: ClientRegistry):
         self.registry = registry
+        self.store: EventStore | None = None
 
-    def start_login(self, account_id: str, account_name: Optional[str] = None) -> dict:
+    def start_login(self, account_id: str, account_name: Optional[str] = None, tenant_code: str = "default") -> dict:
         client = self.registry.get_or_create(account_id, account_name)
         login_id = client.start_login()
+        self._emit_login_changed(account_id, tenant_code, LoginStatus.PENDING, client.state.login_status, client.state.qr_code_url)
         return {
             "login_id": login_id,
             "qr_code_url": client.state.qr_code_url,
@@ -35,19 +39,54 @@ class LoginService:
             "sent_count_today": state.sent_count_today,
         }
 
-    def confirm_login(self, account_id: str) -> dict:
+    def confirm_login(self, account_id: str, tenant_code: str = "default") -> dict:
         client = self.registry.get(account_id)
         if client is None:
             return {"success": False, "error": "account not found"}
-        client.confirm_login()
+        previous_login = client.state.login_status
+        previous_online = client.state.online_status
+        client.set_login_status(LoginStatus.SUCCESS)
+        self._emit_login_changed(account_id, tenant_code, previous_login, client.state.login_status)
+        self._emit_online_changed(account_id, tenant_code, previous_online, client.state.online_status)
         return {"success": True, "status": client.state.login_status.value}
 
-    def expire_login(self, account_id: str) -> dict:
+    def expire_login(self, account_id: str, tenant_code: str = "default") -> dict:
         client = self.registry.get(account_id)
         if client is None:
             return {"success": False, "error": "account not found"}
-        client.expire_login()
+        previous = client.state.login_status
+        client.set_login_status(LoginStatus.EXPIRED)
+        self._emit_login_changed(account_id, tenant_code, previous, client.state.login_status)
         return {"success": True, "status": client.state.login_status.value}
 
+    def _emit_login_changed(self, account_id: str, tenant_code: str, previous: LoginStatus, current: LoginStatus, qr_code_url: Optional[str] = None) -> None:
+        event = OutboundEvent(
+            event_type=EventType.LOGIN_STATUS_CHANGED,
+            account_id=account_id,
+            tenant_code=tenant_code,
+            data={
+                "previous": previous.value,
+                "current": current.value,
+                "qr_code_url": qr_code_url,
+            },
+        )
+        if self.store is not None:
+            self.store.save(event)
+
+    def _emit_online_changed(self, account_id: str, tenant_code: str, previous: OnlineStatus, current: OnlineStatus) -> None:
+        event = OutboundEvent(
+            event_type=EventType.ONLINE_STATUS_CHANGED,
+            account_id=account_id,
+            tenant_code=tenant_code,
+            data={
+                "previous": previous.value,
+                "current": current.value,
+            },
+        )
+        if self.store is not None:
+            self.store.save(event)
+
 
 login_service = LoginService(registry)
+from app.repositories.event_store import event_store  # noqa: E402
+login_service.store = event_store
diff --git a/channel-service/tests/test_api.py b/channel-service/tests/test_api.py
index 04ffa78..325f09e 100644
--- a/channel-service/tests/test_api.py
+++ b/channel-service/tests/test_api.py
@@ -24,7 +24,7 @@ def test_login_flow():
     assert r.status_code == 200
     assert r.json()["login_status"] == "pending"
 
-    r = client.post("/v1/wechat-personal/login/bot-001/confirm")
+    r = client.post("/v1/wechat-personal/login/bot-001/confirm", json={})
     assert r.status_code == 200
     assert r.json()["success"] is True
 
@@ -35,7 +35,7 @@ def test_login_flow():
 
 def test_send_after_login():
     client.post("/v1/wechat-personal/login/start", json={"account_id": "bot-002"})
-    client.post("/v1/wechat-personal/login/bot-002/confirm")
+    client.post("/v1/wechat-personal/login/bot-002/confirm", json={})
 
     r = client.post("/v1/wechat-personal/send/text", json={
         "account_id": "bot-002",