From f948362d1bc625714f3deca2183a5fcdd9640e92 Mon Sep 17 00:00:00 2001
From: wangys <3401275564@qq.com>
Date: Thu, 8 Jan 2026 17:59:07 +0800
Subject: [PATCH] =?UTF-8?q?=E6=97=A5=E5=BF=97=E4=BF=AE=E5=A4=8D?=
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---
 docker/dify/.env.example                           |  2 +-
 .../java/org/xyzh/ai/client/DifyApiClient.java     | 13 ++++++++-----
 .../service/impl/KnowledgeFileLogServiceImpl.java  |  2 +-
 .../resources/mapper/TbKnowledgeFileLogMapper.xml  | 14 ++++++++++++--
 4 files changed, 22 insertions(+), 9 deletions(-)

diff --git a/docker/dify/.env.example b/docker/dify/.env.example
index 04088b72..0323f36e 100644
--- a/docker/dify/.env.example
+++ b/docker/dify/.env.example
@@ -797,7 +797,7 @@ CLICKZETTA_VECTOR_DISTANCE_FUNCTION=cosine_distance
 # ------------------------------
 
 # Upload file size limit, default 15M.
-UPLOAD_FILE_SIZE_LIMIT=15
+UPLOAD_FILE_SIZE_LIMIT=100
 
 # The maximum number of files that can be uploaded at a time, default 5.
 UPLOAD_FILE_BATCH_LIMIT=5
diff --git a/urbanLifelineServ/ai/src/main/java/org/xyzh/ai/client/DifyApiClient.java b/urbanLifelineServ/ai/src/main/java/org/xyzh/ai/client/DifyApiClient.java
index 8c7c5780..2bb53866 100644
--- a/urbanLifelineServ/ai/src/main/java/org/xyzh/ai/client/DifyApiClient.java
+++ b/urbanLifelineServ/ai/src/main/java/org/xyzh/ai/client/DifyApiClient.java
@@ -267,10 +267,16 @@ public class DifyApiClient {
         try {
             // 构建 data JSON 字符串（包含所有元数据）
             Map<String, Object> dataMap = new HashMap<>();
-            if (uploadRequest.getName() != null) {
+            
+            // name 字段：如果提供则使用，否则使用文件名
+            if (uploadRequest.getName() != null && !uploadRequest.getName().trim().isEmpty()) {
                 dataMap.put("name", uploadRequest.getName());
+            } else {
+                dataMap.put("name", originalFilename);
             }
-            if (uploadRequest.getIndexingTechnique() != null) {
+            
+            // indexing_technique 字段：只有在明确提供且非空时才添加
+            if (uploadRequest.getIndexingTechnique() != null && !uploadRequest.getIndexingTechnique().trim().isEmpty()) {
                 dataMap.put("indexing_technique", uploadRequest.getIndexingTechnique());
             }
             
@@ -284,9 +290,6 @@ public class DifyApiClient {
                 dataMap.put("process_rule", defaultProcessRule);
             }
             
-            // 只保留官方支持的参数
-            // doc_form 和 doc_language 不是请求参数，移除
-            
             String dataJson = JSON.toJSONString(dataMap);
             logger.info("上传文档到知识库: datasetId={}, file={}, data={}", datasetId, originalFilename, dataJson);
 
diff --git a/urbanLifelineServ/ai/src/main/java/org/xyzh/ai/service/impl/KnowledgeFileLogServiceImpl.java b/urbanLifelineServ/ai/src/main/java/org/xyzh/ai/service/impl/KnowledgeFileLogServiceImpl.java
index bd765cba..66dbb6c1 100644
--- a/urbanLifelineServ/ai/src/main/java/org/xyzh/ai/service/impl/KnowledgeFileLogServiceImpl.java
+++ b/urbanLifelineServ/ai/src/main/java/org/xyzh/ai/service/impl/KnowledgeFileLogServiceImpl.java
@@ -39,7 +39,7 @@ public class KnowledgeFileLogServiceImpl implements KnowledgeFileLogService{
         knowledgeFileLog.setOptsn(IdUtil.getOptsn());
         knowledgeFileLog.setLogId(IdUtil.generateID());
         ValidationResult rt = ValidationUtils.validate(knowledgeFileLog, Arrays.asList(
-
+            ValidationUtils.requiredString("fileId",  "文件id")
         ));
         if(!rt.isValid()){
             return ResultDomain.failure("日志参数校验失败");
diff --git a/urbanLifelineServ/ai/src/main/resources/mapper/TbKnowledgeFileLogMapper.xml b/urbanLifelineServ/ai/src/main/resources/mapper/TbKnowledgeFileLogMapper.xml
index d63322d6..69b270d8 100644
--- a/urbanLifelineServ/ai/src/main/resources/mapper/TbKnowledgeFileLogMapper.xml
+++ b/urbanLifelineServ/ai/src/main/resources/mapper/TbKnowledgeFileLogMapper.xml
@@ -26,8 +26,18 @@
             optsn, log_id, knowledge_id, file_root_id, file_id, file_name, version,
             action, service, creator, creator_name, create_time
         ) VALUES (
-            #{optsn}, #{logId}, #{knowledgeId}, #{fileRootId}, #{fileId}, #{fileName}, #{version},
-            #{action}, #{service}, #{creator}, #{creatorName}, NOW()
+            #{optsn}, #{logId}, #{knowledgeId}, #{fileRootId}, #{fileId}, 
+            <choose>
+                <!-- action为delete时，查询历史fileName，无数据则填空字符串 -->
+                <when test="action == 'delete'">
+                    (SELECT COALESCE(file_name, '') FROM ai.tb_knowledge_file_log WHERE file_id = #{fileId} LIMIT 1)
+                </when>
+                <!-- 其他操作直接使用传入的fileName -->
+                <otherwise>
+                    #{fileName}
+                </otherwise>
+            </choose>, 
+            #{version}, #{action}, #{service}, #{creator}, #{creatorName}, NOW()
         )
     </insert>