diff --git a/servers/boe-server-all/src/main/java/com/xboe/module/boecase/api/CaseAiChatApi.java b/servers/boe-server-all/src/main/java/com/xboe/module/boecase/api/CaseAiChatApi.java
index 2ebd58f0..b57302da 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/module/boecase/api/CaseAiChatApi.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/module/boecase/api/CaseAiChatApi.java
@@ -16,13 +16,14 @@ import org.springframework.web.servlet.mvc.method.annotation.SseEmitter;
 
 import javax.servlet.http.HttpServletResponse;
 import java.nio.charset.StandardCharsets;
+import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.util.List;
 
 /**
  * AI对话管理API
  */
-@Slf4j
+@Slf4j(topic = "caseAiChatLogger")
 @RestController
 @RequestMapping(value = "/xboe/m/boe/case/ai")
 public class CaseAiChatApi extends ApiBaseController {
@@ -104,9 +105,9 @@ public class CaseAiChatApi extends ApiBaseController {
     public void downloadConversationExcel(@RequestParam String startTime, 
                                           @RequestParam String endTime, 
                                           HttpServletResponse response) {
-        LocalDateTime start = LocalDateTime.parse(startTime);
-        LocalDateTime end = LocalDateTime.parse(endTime);
-        caseAiChatService.getConversationExcel(start, end, response);
+        LocalDate startDate = LocalDate.parse(startTime);
+        LocalDate endDate = LocalDate.parse(endTime);
+        caseAiChatService.getConversationExcel(startDate.atStartOfDay(), endDate.atTime(23, 59, 59), response);
     }
     
     /**
diff --git a/servers/boe-server-all/src/main/java/com/xboe/module/boecase/service/impl/CaseAiChatServiceImpl.java b/servers/boe-server-all/src/main/java/com/xboe/module/boecase/service/impl/CaseAiChatServiceImpl.java
index 0888852e..1aef4960 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/module/boecase/service/impl/CaseAiChatServiceImpl.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/module/boecase/service/impl/CaseAiChatServiceImpl.java
@@ -78,7 +78,7 @@ import java.util.concurrent.TimeUnit;
 
 @EnableConfigurationProperties({CaseAiProperties.class})
 @Service
-@Slf4j
+@Slf4j(topic = "caseAiChatLogger")
 public class CaseAiChatServiceImpl implements ICaseAiChatService {
 
     private static final String SYS_ERR_MSG = "服务繁忙，请稍后再试。";
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 95f8661e..239955f7 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
@@ -47,10 +47,30 @@
         </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>
+        <encoder>
+            <pattern>%date [%thread] %-5level [%logger{50}] %file:%line - %msg%n</pattern>
+        </encoder>
+        <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
+            <level>ERROR</level>
+        </filter>
+    </appender>
+
     <!-- Level: FATAL 0  ERROR 3  WARN 4  INFO 6  DEBUG 7 -->
     <root level="INFO">
         <appender-ref ref="info"/>
 <!--        <appender-ref ref="console"/>-->
        <!-- <appender-ref ref="error"/> --> 
     </root>
+
+    <logger name="caseAiChatLogger" additivity="false" level="INFO">
+        <appender-ref ref="caseAiChat"/>
+    </logger>
 </configuration>
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 630cd6ea..6e728093 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
@@ -47,10 +47,30 @@
         </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>
+        <encoder>
+            <pattern>%date [%thread] %-5level [%logger{50}] %file:%line - %msg%n</pattern>
+        </encoder>
+        <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
+            <level>ERROR</level>
+        </filter>
+    </appender>
+
     <!-- Level: FATAL 0  ERROR 3  WARN 4  INFO 6  DEBUG 7 -->
     <root level="INFO">
         <appender-ref ref="debug"/>
         <appender-ref ref="error"/>
         <appender-ref ref="console"/>
     </root>
+
+    <logger name="caseAiChatLogger" additivity="false" level="INFO">
+        <appender-ref ref="caseAiChat"/>
+    </logger>
 </configuration>