diff --git a/app/core/logger.py b/app/core/logger.py
index efe3d3f..8110b17 100644
--- a/app/core/logger.py
+++ b/app/core/logger.py
@@ -14,6 +14,7 @@ _CONSOLE_FORMAT = (
     "<green>{time:YYYYMMDD HH:mm:ss}</green> | "
     "{process.name}:{process.id} | "
     "{extra[request_id]} | "
+    "{extra[user_id]} | "
     "<cyan>{module}</cyan>.<cyan>{function}</cyan>"
     ":<cyan>{line}</cyan> | "
     "<level>{level}</level>: "
@@ -25,14 +26,22 @@ _FILE_FORMAT = (
     "{time:YYYYMMDD HH:mm:ss} - "
     "{process.name}:{process.id} | "
     "{extra[request_id]} | "
+    "{extra[user_id]} | "
     "{module}.{function}:{line} - {level} - {message}"
 )
 
 
+def _patcher(record):
+    """动态从 RequestContext 注入 user_id 到日志"""
+    from app.core.context import RequestContext
+    user_id = RequestContext.user_id.get(None)
+    record["extra"]["user_id"] = user_id if user_id is not None else "unknown"
+
+
 def _setup_logger() -> logger.__class__:
     """配置并返回 Loguru 日志实例"""
     logger.remove()
-    logger.configure(extra={"request_id": "system"})
+    logger.configure(extra={"request_id": "system", "user_id": "unknown"}, patcher=_patcher)
 
     # 控制台输出
     logger.add(