diff --git a/servers/boe-server-all/src/main/java/com/xboe/module/boecase/service/impl/AiAccessTokenServiceImpl.java b/servers/boe-server-all/src/main/java/com/xboe/module/boecase/service/impl/AiAccessTokenServiceImpl.java
index dab854ff..434ef499 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/module/boecase/service/impl/AiAccessTokenServiceImpl.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/module/boecase/service/impl/AiAccessTokenServiceImpl.java
@@ -22,7 +22,7 @@ import java.util.concurrent.TimeUnit;
 
 @EnableConfigurationProperties({CaseAiProperties.class})
 @Service
-@Slf4j
+@Slf4j(topic = "caseAiChatLogger")
 public class AiAccessTokenServiceImpl implements IAiAccessTokenService {
 
     private static final String ACCESS_TOKEN_CACHE_KEY = "case_ai_access_token";
diff --git a/servers/boe-server-all/src/main/resources/log/logback-prod.xml b/servers/boe-server-all/src/main/resources/log/logback-prod.xml
index 239955f7..65f7c97e 100644
--- a/servers/boe-server-all/src/main/resources/log/logback-prod.xml
+++ b/servers/boe-server-all/src/main/resources/log/logback-prod.xml
@@ -31,20 +31,16 @@
         </encoder>
     </appender>
 
-    <!-- Log file error output -->
-    <appender name="error" class="ch.qos.logback.core.rolling.RollingFileAppender">
-        <file>${log.path}/error.log</file>
-        <rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
-            <fileNamePattern>${log.path}/%d{yyyy-MM}/error.%d{yyyy-MM-dd}.%i.log.gz</fileNamePattern>
-            <maxFileSize>50MB</maxFileSize>
-            <maxHistory>30</maxHistory>
-        </rollingPolicy>
+    <appender name="caseAiChat"
+              class="ch.qos.logback.core.rolling.RollingFileAppender">
         <encoder>
             <pattern>%date [%thread] %-5level [%logger{50}] %file:%line - %msg%n</pattern>
+            <charset>UTF-8</charset>
         </encoder>
-        <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
-            <level>ERROR</level>
-        </filter>
+        <File>${log.path}/caseAiChat.log</File>
+        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
+            <FileNamePattern>${log.path}/caseAiChat.%d{yyyy-MM-dd}.log</FileNamePattern>
+        </rollingPolicy>
     </appender>
 
     <!-- Log file error output -->
diff --git a/servers/boe-server-all/src/main/resources/log/logback-test.xml b/servers/boe-server-all/src/main/resources/log/logback-test.xml
index 6e728093..b3e929f8 100644
--- a/servers/boe-server-all/src/main/resources/log/logback-test.xml
+++ b/servers/boe-server-all/src/main/resources/log/logback-test.xml
@@ -47,20 +47,16 @@
         </filter>
     </appender>
 
-    <!-- Log file error output -->
-    <appender name="caseAiChat" class="ch.qos.logback.core.rolling.RollingFileAppender">
-        <file>${log.path}/caseAiChat.log</file>
-        <rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
-            <fileNamePattern>${log.path}/%d{yyyy-MM}/caseAiChat.%d{yyyy-MM-dd}.%i.log.gz</fileNamePattern>
-            <maxFileSize>50MB</maxFileSize>
-            <maxHistory>30</maxHistory>
-        </rollingPolicy>
+    <appender name="caseAiChat"
+              class="ch.qos.logback.core.rolling.RollingFileAppender">
         <encoder>
             <pattern>%date [%thread] %-5level [%logger{50}] %file:%line - %msg%n</pattern>
+            <charset>UTF-8</charset>
         </encoder>
-        <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
-            <level>ERROR</level>
-        </filter>
+        <File>${log.path}/caseAiChat.log</File>
+        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
+            <FileNamePattern>${log.path}/caseAiChat.%d{yyyy-MM-dd}.log</FileNamePattern>
+        </rollingPolicy>
     </appender>
 
     <!-- Level: FATAL 0  ERROR 3  WARN 4  INFO 6  DEBUG 7 -->