diff --git a/ruoyi-oa/src/main/java/com/ruoyi/oa/controller/SysOaAiController.java b/ruoyi-oa/src/main/java/com/ruoyi/oa/controller/SysOaAiController.java
index f0bc958..6650af4 100644
--- a/ruoyi-oa/src/main/java/com/ruoyi/oa/controller/SysOaAiController.java
+++ b/ruoyi-oa/src/main/java/com/ruoyi/oa/controller/SysOaAiController.java
@@ -3,6 +3,7 @@ package com.ruoyi.oa.controller;
 import java.util.*;
 
 import com.ruoyi.common.helper.LoginHelper;
+import com.ruoyi.oa.domain.bo.OaAiChatBo;
 import lombok.RequiredArgsConstructor;
 import javax.servlet.http.HttpServletResponse;
 import javax.validation.constraints.*;
@@ -227,32 +228,32 @@ public class SysOaAiController extends BaseController {
      * 发送消息给AI
      */
     @PostMapping("/chat")
-    public R<Map<String, Object>> chat(@RequestParam Long conversationId, @RequestParam String message) {
+    public R<Map<String, Object>> chat(@RequestBody OaAiChatBo bo) {
         try {
             // 1. 保存用户消息
-            messageService.addUserMessage(conversationId, message);
+            messageService.addUserMessage(bo.getConversationId(), bo.getMessage());
             
             // 2. 获取对话历史（优先从Redis缓存获取）
-            List<SysOaAiMessageVo> conversationHistory = aiServiceUtil.getCachedConversationHistory(conversationId);
+            List<SysOaAiMessageVo> conversationHistory = aiServiceUtil.getCachedConversationHistory(bo.getConversationId());
             if (conversationHistory == null) {
                 // 缓存中没有，从数据库获取
-                conversationHistory = messageService.queryByConversationId(conversationId);
+                conversationHistory = messageService.queryByConversationId(bo.getConversationId());
                 // 缓存对话历史
-                aiServiceUtil.cacheConversationHistory(conversationId, conversationHistory);
+                aiServiceUtil.cacheConversationHistory(bo.getConversationId(), conversationHistory);
             }
             
             // 3. 调用AI服务获取回复（传递对话历史）
-            String aiResponse = callAiServiceWithHistory(message, conversationHistory);
+            String aiResponse = callAiServiceWithHistory(bo.getMessage(), conversationHistory);
             
             // 4. 保存AI回复
-            messageService.addAiMessage(conversationId, aiResponse, 0, java.math.BigDecimal.ZERO);
+            messageService.addAiMessage(bo. getConversationId(), aiResponse, 0, java.math.BigDecimal.ZERO);
             
             // 5. 更新对话历史缓存
-            List<SysOaAiMessageVo> updatedHistory = messageService.queryByConversationId(conversationId);
-            aiServiceUtil.cacheConversationHistory(conversationId, updatedHistory);
+            List<SysOaAiMessageVo> updatedHistory = messageService.queryByConversationId(bo.getConversationId());
+            aiServiceUtil.cacheConversationHistory(bo.getConversationId(), updatedHistory);
             
             Map<String, Object> result = new HashMap<>();
-            result.put("conversationId", conversationId);
+            result.put("conversationId", bo.getConversationId());
             result.put("response", aiResponse);
             
             return R.ok(result);
diff --git a/ruoyi-oa/src/main/java/com/ruoyi/oa/domain/bo/OaAiChatBo.java b/ruoyi-oa/src/main/java/com/ruoyi/oa/domain/bo/OaAiChatBo.java
new file mode 100644
index 0000000..6086ca9
--- /dev/null
+++ b/ruoyi-oa/src/main/java/com/ruoyi/oa/domain/bo/OaAiChatBo.java
@@ -0,0 +1,9 @@
+package com.ruoyi.oa.domain.bo;
+
+import lombok.Data;
+
+@Data
+public class OaAiChatBo {
+    Long conversationId;
+    String message;
+}