diff --git a/poetry.lock b/poetry.lock
index c6c82cdbb..bdb962f86 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 2.1.3 and should not be changed by hand.
+# This file is automatically @generated by Poetry 2.1.4 and should not be changed by hand.
 
 [[package]]
 name = "absl-py"
@@ -487,6 +487,24 @@ humanfriendly = ">=9.1"
 [package.extras]
 cron = ["capturer (>=2.4)"]
 
+[[package]]
+name = "concurrent-log-handler"
+version = "0.9.28"
+description = "RotatingFileHandler replacement with concurrency, gzip and Windows support. Size and time based rotation."
+optional = false
+python-versions = ">=3.6"
+groups = ["main"]
+files = [
+    {file = "concurrent_log_handler-0.9.28-py3-none-any.whl", hash = "sha256:65db25d05506651a61573937880789fc51c7555e7452303042b5a402fd78939c"},
+    {file = "concurrent_log_handler-0.9.28.tar.gz", hash = "sha256:4cc27969b3420239bd153779266f40d9713ece814e312b7aa753ce62c6eacdb8"},
+]
+
+[package.dependencies]
+portalocker = ">=1.6.0"
+
+[package.extras]
+dev = ["black", "coverage", "hatch", "pytest", "pytest-cov", "pytest-mock", "pytest-sugar", "ruff"]
+
 [[package]]
 name = "contourpy"
 version = "1.3.2"
@@ -3388,7 +3406,6 @@ files = [
     {file = "portalocker-2.10.1-py3-none-any.whl", hash = "sha256:53a5984ebc86a025552264b459b46a2086e269b21823cb572f8f28ee759e45bf"},
     {file = "portalocker-2.10.1.tar.gz", hash = "sha256:ef1bf844e878ab08aee7e40184156e1151f228f103aa5c6bd0724cc330960f8f"},
 ]
-markers = {main = "extra == \"all\""}
 
 [package.dependencies]
 pywin32 = {version = ">=226", markers = "platform_system == \"Windows\""}
@@ -3919,7 +3936,7 @@ files = [
     {file = "pywin32-311-cp39-cp39-win_amd64.whl", hash = "sha256:e0c4cfb0621281fe40387df582097fd796e80430597cb9944f0ae70447bacd91"},
     {file = "pywin32-311-cp39-cp39-win_arm64.whl", hash = "sha256:62ea666235135fee79bb154e695f3ff67370afefd71bd7fea7512fc70ef31e3d"},
 ]
-markers = {main = "platform_system == \"Windows\" and extra == \"all\" or sys_platform == \"win32\"", eval = "platform_system == \"Windows\""}
+markers = {main = "sys_platform == \"win32\" or platform_system == \"Windows\"", eval = "platform_system == \"Windows\""}
 
 [[package]]
 name = "pyyaml"
@@ -6209,4 +6226,4 @@ tree-mem = ["neo4j", "schedule"]
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.10,<4.0"
-content-hash = "1eae4dc9df321c2e5157497c7ce6fb2b1248cb1d4cf7d57e3d38710be977e07b"
+content-hash = "04c7b73bd8063f6c8ea8ed6a60b23d59a06de50b8607aff06581cc0e40192e38"
diff --git a/pyproject.toml b/pyproject.toml
index 265a5ae5d..74dfefc09 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -47,6 +47,7 @@ dependencies = [
     "fastmcp (>=2.10.5,<3.0.0)",
     "python-dateutil (>=2.9.0.post0,<3.0.0)",
     "prometheus-client (>=0.23.1,<0.24.0)",
+    "concurrent-log-handler (>=0.9.28,<1.0.0)",  # Process-safe rotating file handler
 ]
 
 [project.urls]
diff --git a/src/memos/log.py b/src/memos/log.py
index 874f2c6a7..9325a4861 100644
--- a/src/memos/log.py
+++ b/src/memos/log.py
@@ -53,6 +53,7 @@ def filter(self, record):
             record.user_name = get_current_user_name()
             record.api_path = get_current_api_path()
         except Exception:
+            record.api_path = "unknown"
             record.trace_id = "trace-id"
             record.env = "prod"
             record.user_type = "normal"
@@ -196,7 +197,7 @@ def close(self):
         },
         "file": {
             "level": "DEBUG",
-            "class": "logging.handlers.TimedRotatingFileHandler",
+            "class": "concurrent_log_handler.ConcurrentTimedRotatingFileHandler",
             "when": "midnight",
             "interval": 1,
             "backupCount": 3,