diff --git a/src/main/java/com/knowledge/base/infrastructure/config/DynamicConfig.java b/src/main/java/com/knowledge/base/infrastructure/config/DynamicConfig.java
index 4cc2741..0061ba3 100644
--- a/src/main/java/com/knowledge/base/infrastructure/config/DynamicConfig.java
+++ b/src/main/java/com/knowledge/base/infrastructure/config/DynamicConfig.java
@@ -72,6 +72,9 @@ public class DynamicConfig {
     @Value("${thread.pool.monitor.enabled:true}")
     private boolean enableThreadPoolMonitor;
 
+    @Value("${es.show.context.length:150}")
+    private String esShowContextLen;
+
     // 监听配置刷新事件，主动刷新线程池监控
     @EventListener
     public void onRefresh(RefreshScopeRefreshedEvent event) {
diff --git a/src/main/java/com/knowledge/base/infrastructure/north/controller/FileQueryController.java b/src/main/java/com/knowledge/base/infrastructure/north/controller/FileQueryController.java
index 209a6fb..5ea4051 100644
--- a/src/main/java/com/knowledge/base/infrastructure/north/controller/FileQueryController.java
+++ b/src/main/java/com/knowledge/base/infrastructure/north/controller/FileQueryController.java
@@ -11,6 +11,7 @@ import com.knowledge.base.domain.common.model.PageResult;
 import com.knowledge.base.domain.doc.model.FileEsField;
 import com.knowledge.base.infrastructure.cache.iface.FileCacheService;
 import com.knowledge.base.infrastructure.config.ConstantConfig;
+import com.knowledge.base.infrastructure.config.DynamicConfig;
 import com.knowledge.base.infrastructure.north.dto.SearchReq;
 import com.knowledge.base.infrastructure.north.dto.doc.OSRecordDTO;
 import com.knowledge.base.infrastructure.north.dto.user.UserDTO;
@@ -44,6 +45,8 @@ public class FileQueryController {
 
     private final FileElasticsearchGateway esGateway;
 
+    private final DynamicConfig dynamicConfig;
+
     @Autowired
     private FileCacheService fileCacheService;
 
@@ -171,7 +174,7 @@ public class FileQueryController {
             result.put("url", source.get(FileEsField.URL));
 
             String content = (String) source.get(FileEsField.CONTENT);
-            String summary = extractMultiSnippet(content, keywords, 50);
+            String summary = extractMultiSnippet(content, keywords, Integer.parseInt(dynamicConfig.getEsShowContextLen().trim()));
             result.put("summary", summary);
 
             results.add(result);
@@ -205,7 +208,7 @@ public class FileQueryController {
         }
 
         if (matchedSnippets.isEmpty()) {
-            return content.length() <= 100 ? content : content.substring(0, 100) + "...";
+            return content.length() <= contextLength ? content : content.substring(0, contextLength) + "...";
         }
 
         return String.join(" ... ", matchedSnippets);
diff --git a/src/main/java/com/knowledge/base/infrastructure/north/controller/FileWriteController.java b/src/main/java/com/knowledge/base/infrastructure/north/controller/FileWriteController.java
index 4cbed3c..09dccbe 100644
--- a/src/main/java/com/knowledge/base/infrastructure/north/controller/FileWriteController.java
+++ b/src/main/java/com/knowledge/base/infrastructure/north/controller/FileWriteController.java
@@ -145,8 +145,9 @@ public class FileWriteController {
                 byte[] fileBytes = file.getBytes();
 
                 logger.info("[uploadFolderToOS] 已上传至对象存储: {}", originalName);
-                ThreadPoolUtil.execute(() ->
-                        handleAsyncRecord(finalToken, bucket, originFileNameWithSuffix, suffix, s3FullPath, finalUrl, fileBytes, searchable)
+                ThreadPoolUtil.execute(() -> {
+                        handleAsyncRecord(finalToken, bucket, originFileNameWithSuffix, suffix, s3FullPath, finalUrl, fileBytes, searchable);
+                    }
                 );
             }
 
@@ -155,7 +156,7 @@ public class FileWriteController {
                     "count", filePathMap.size(),
                     "files", filePathMap
             ));
-        } catch (Exception e) {
+        } catch (Throwable e) {
             logger.error("上传失败", e);
             return ResponseEntity.status(500).body("上传失败: " + e.getMessage());
         }
@@ -246,7 +247,7 @@ public class FileWriteController {
 
                 logger.info("本地文件信息已保存并导入ES: localRelaPath = {}, ESImportRes = {}", localRelaFilePath, res);
             }
-        } catch (Exception e) {
+        } catch (Throwable e) {
             logger.error("异步写入失败: {}", originFileNameWithSuffix, e);
         }
     }