diff --git a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/jarvis/InstructionController.java b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/jarvis/InstructionController.java
index fee0083..98b9d1a 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/jarvis/InstructionController.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/jarvis/InstructionController.java
@@ -34,15 +34,17 @@ public class InstructionController extends BaseController {
     }
     
     /**
-     * 获取历史消息记录
+     * 获取历史消息记录（支持关键词搜索，在全部历史数据中匹配）
      * @param type 消息类型：request(请求) 或 response(响应)
-     * @param limit 获取数量，默认100条
+     * @param limit 获取数量，默认100条；有 keyword 时为返回匹配条数上限，默认200
+     * @param keyword 可选，搜索关键词；不为空时在全部数据中过滤后返回
      * @return 历史消息列表
      */
     @GetMapping("/history")
     public AjaxResult getHistory(@RequestParam(required = false, defaultValue = "request") String type,
-                                  @RequestParam(required = false, defaultValue = "100") Integer limit) {
-        java.util.List<String> history = instructionService.getHistory(type, limit);
+                                  @RequestParam(required = false, defaultValue = "100") Integer limit,
+                                  @RequestParam(required = false) String keyword) {
+        java.util.List<String> history = instructionService.getHistory(type, limit, keyword);
         return AjaxResult.success(history);
     }
 }
diff --git a/ruoyi-system/src/main/java/com/ruoyi/jarvis/service/IInstructionService.java b/ruoyi-system/src/main/java/com/ruoyi/jarvis/service/IInstructionService.java
index 90812ed..af01765 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/jarvis/service/IInstructionService.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/jarvis/service/IInstructionService.java
@@ -35,6 +35,15 @@ public interface IInstructionService {
      * @return 历史消息列表
      */
     java.util.List<String> getHistory(String type, Integer limit);
+
+    /**
+     * 获取历史消息记录（支持关键词搜索，在全部数据中匹配）
+     * @param type 消息类型：request(请求) 或 response(响应)
+     * @param limit 返回数量上限，默认200条
+     * @param keyword 搜索关键词，为空则按 limit 取最近 N 条
+     * @return 历史消息列表
+     */
+    java.util.List<String> getHistory(String type, Integer limit, String keyword);
 }
 
 
diff --git a/ruoyi-system/src/main/java/com/ruoyi/jarvis/service/impl/InstructionServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/jarvis/service/impl/InstructionServiceImpl.java
index 649ee0e..8d80a47 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/jarvis/service/impl/InstructionServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/jarvis/service/impl/InstructionServiceImpl.java
@@ -142,12 +142,16 @@ public class InstructionServiceImpl implements IInstructionService {
 
     @Override
     public List<String> getHistory(String type, Integer limit) {
+        return getHistory(type, limit, null);
+    }
+
+    @Override
+    public List<String> getHistory(String type, Integer limit, String keyword) {
         if (stringRedisTemplate == null) {
             return Collections.emptyList();
         }
 
         try {
-            // 确定Redis键
             String key;
             if ("request".equalsIgnoreCase(type)) {
                 key = "instruction:request";
@@ -157,11 +161,23 @@ public class InstructionServiceImpl implements IInstructionService {
                 return Collections.emptyList();
             }
 
-            // 确定获取数量，默认100条
-            int count = (limit != null && limit > 0) ? Math.min(limit, 1000) : 1000;
+            int maxReturn = (limit != null && limit > 0) ? Math.min(limit, 1000) : 200;
+            boolean hasKeyword = keyword != null && !keyword.trim().isEmpty();
+            String kwLower = hasKeyword ? keyword.trim().toLowerCase() : null;
 
-            // 从Redis获取历史消息（索引0到count-1）
-            List<String> messages = stringRedisTemplate.opsForList().range(key, 0, count - 1);
+            List<String> messages;
+            if (hasKeyword) {
+                // 搜索模式：取全部数据后在内存中按关键词过滤
+                messages = stringRedisTemplate.opsForList().range(key, 0, -1);
+                if (messages == null) messages = Collections.emptyList();
+                messages = messages.stream()
+                        .filter(msg -> msg != null && msg.toLowerCase().contains(kwLower))
+                        .limit(maxReturn)
+                        .collect(Collectors.toList());
+            } else {
+                // 普通模式：只取最近 N 条
+                messages = stringRedisTemplate.opsForList().range(key, 0, maxReturn - 1);
+            }
 
             return messages != null ? messages : Collections.emptyList();
         } catch (Exception e) {