diff --git a/.gitignore b/.gitignore
index 250d83a..501c0a5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,4 +25,4 @@
 
 
 /temp
-/user_behavior_logs
+/analytics
diff --git a/log-config.json b/log-config.json
new file mode 100644
index 0000000..f45f274
--- /dev/null
+++ b/log-config.json
@@ -0,0 +1,46 @@
+{
+  "version": 1,
+  "disable_existing_loggers": false,
+  "formatters": {
+    "default": {
+      "()": "uvicorn.logging.DefaultFormatter",
+      "fmt": "%(levelname)s | %(asctime)s | %(message)s",
+      "use_colors": null
+    },
+    "access": {
+      "()": "uvicorn.logging.AccessFormatter",
+      "fmt": "%(levelname)s | %(asctime)s | %(message)s"
+    }
+  },
+  "handlers": {
+    "default": {
+      "formatter": "default",
+      "class": "logging.StreamHandler",
+      "stream": "ext://sys.stderr"
+    },
+    "access": {
+      "formatter": "access",
+      "class": "logging.StreamHandler",
+      "stream": "ext://sys.stdout"
+    }
+  },
+  "loggers": {
+    "uvicorn": {
+      "handlers": [
+        "default"
+      ],
+      "level": "INFO",
+      "propagate": false
+    },
+    "uvicorn.error": {
+      "level": "INFO"
+    },
+    "uvicorn.access": {
+      "handlers": [
+        "access"
+      ],
+      "level": "INFO",
+      "propagate": false
+    }
+  }
+}
diff --git a/main.py b/main.py
index d3f83e3..2a66b8b 100644
--- a/main.py
+++ b/main.py
@@ -25,6 +25,11 @@
     os.environ["RETHINK_SERVER_DEBUG"] = "true" if args.debug else "false"
     if args.password is not None:
         os.environ["RETHINK_SERVER_PASSWORD"] = args.password
+
+    log_config = uvicorn.config.LOGGING_CONFIG
+    print(log_config)
+    log_config["formatters"]["access"]["fmt"] = "%(levelname)s | %(asctime)s | %(message)s"
+    log_config["formatters"]["default"]["fmt"] = "%(levelname)s | %(asctime)s | %(message)s"
     uvicorn.run(
         "retk.application:app",
         host=args.host,
@@ -32,4 +37,5 @@
         reload=args.reload,
         workers=args.workers,
         env_file=f".env.{args.mode}",
+        log_config=log_config,
     )
diff --git a/run.sh b/run.sh
index bcec114..a612529 100644
--- a/run.sh
+++ b/run.sh
@@ -71,4 +71,4 @@ if [ $mode == "local" ]; then
 fi
 echo "Running in $mode mode with reload=$reload on $host:$port"
 # set working directory to retk
-uvicorn retk.application:app $reload --host $host --port $port --env-file .env.$mode
+uvicorn retk.application:app $reload --log-config log-config.json --host $host --port $port --env-file .env.$mode
diff --git a/src/retk/const/settings.py b/src/retk/const/settings.py
index 1e3688b..8b91fbd 100644
--- a/src/retk/const/settings.py
+++ b/src/retk/const/settings.py
@@ -6,7 +6,7 @@
 DOT_DATA = ".data"
 FRONTEND_DIR = RETHINK_DIR / "dist-local"
 LOCAL_FILE_URL_PRE_DIR = "files"
-USER_BEHAVIOR_LOG_DIR = Path(os.path.join(os.getcwd(), "user_behavior_logs"))
+ANALYTICS_DIR = Path(os.path.join(os.getcwd(), "analytics"))
 MAX_USER_BEHAVIOR_LOG_SIZE = 1024 * 1024 * 10  # 10MB
 MD_MAX_LENGTH = 100_000
 REQUEST_ID_MAX_LENGTH = 50
diff --git a/src/retk/core/ai/llm/knowledge/ops.py b/src/retk/core/ai/llm/knowledge/ops.py
index d6bc8e7..52cd0cd 100644
--- a/src/retk/core/ai/llm/knowledge/ops.py
+++ b/src/retk/core/ai/llm/knowledge/ops.py
@@ -49,6 +49,8 @@ async def _batch_send(
     svr_group = {}
     for case in cases:
         if is_extend:
+            if case.summary_code != const.CodeEnum.OK:
+                continue
             service = case.extend_service
             model = case.extend_model
             content = case.summary
diff --git a/src/retk/core/statistic.py b/src/retk/core/statistic.py
index be906b7..8b6df48 100644
--- a/src/retk/core/statistic.py
+++ b/src/retk/core/statistic.py
@@ -25,16 +25,17 @@ async def add_user_behavior(
 ):
     if is_local_db() or aiofiles is None:
         return
-    current_log_file = const.settings.USER_BEHAVIOR_LOG_DIR / f"behavior.log"
+    data_dir = const.settings.ANALYTICS_DIR / "user_behavior"
+    current_log_file = data_dir / f"behavior.log"
     lock = asyncio.Lock()
     if not current_log_file.exists():
-        const.settings.USER_BEHAVIOR_LOG_DIR.mkdir(parents=True, exist_ok=True)
+        data_dir.mkdir(parents=True, exist_ok=True)
         await __write_new(current_log_file, lock)
 
     time_now = datetime.now()
     # if the file is too large, rename it to current time and create a new one
     if current_log_file.stat().st_size > const.settings.MAX_USER_BEHAVIOR_LOG_SIZE:
-        backup_file = const.settings.USER_BEHAVIOR_LOG_DIR / f"{time_now.strftime('%Y%m%d-%H%M%S')}.log"
+        backup_file = data_dir / f"{time_now.strftime('%Y%m%d-%H%M%S')}.log"
         current_log_file.rename(backup_file)
         await __write_new(current_log_file, lock)
 
diff --git a/src/retk/logger.py b/src/retk/logger.py
index f77e208..02dcfad 100644
--- a/src/retk/logger.py
+++ b/src/retk/logger.py
@@ -1,5 +1,4 @@
 import logging
-
 import os
 from logging.handlers import RotatingFileHandler