diff --git a/yudao-framework/yudao-spring-boot-starter-biz-data-permission/src/main/java/cn/iocoder/yudao/framework/datapermission/core/rule/dept/DeptDataPermissionRule.java b/yudao-framework/yudao-spring-boot-starter-biz-data-permission/src/main/java/cn/iocoder/yudao/framework/datapermission/core/rule/dept/DeptDataPermissionRule.java
index 56b6ea4504..8cfad28697 100644
--- a/yudao-framework/yudao-spring-boot-starter-biz-data-permission/src/main/java/cn/iocoder/yudao/framework/datapermission/core/rule/dept/DeptDataPermissionRule.java
+++ b/yudao-framework/yudao-spring-boot-starter-biz-data-permission/src/main/java/cn/iocoder/yudao/framework/datapermission/core/rule/dept/DeptDataPermissionRule.java
@@ -136,7 +136,7 @@ public class DeptDataPermissionRule implements DataPermissionRule {
                     JsonUtils.toJsonString(loginUser), tableName, tableAlias, JsonUtils.toJsonString(deptDataPermission));
 //            throw new NullPointerException(String.format("LoginUser(%d) Table(%s/%s) 构建的条件为空",
 //                    loginUser.getId(), tableName, tableAlias.getName()));
-            return EXPRESSION_NULL;
+            return new EqualsTo(null, null); // WHERE null = null，可以保证返回的数据为空
         }
         if (deptExpression == null) {
             return userExpression;
diff --git a/yudao-module-ai/src/main/java/cn/iocoder/yudao/module/ai/dal/dataobject/chat/AiChatMessageDO.java b/yudao-module-ai/src/main/java/cn/iocoder/yudao/module/ai/dal/dataobject/chat/AiChatMessageDO.java
index 722cc6ecf0..6885fedf6f 100644
--- a/yudao-module-ai/src/main/java/cn/iocoder/yudao/module/ai/dal/dataobject/chat/AiChatMessageDO.java
+++ b/yudao-module-ai/src/main/java/cn/iocoder/yudao/module/ai/dal/dataobject/chat/AiChatMessageDO.java
@@ -27,7 +27,7 @@ import java.util.List;
  * @since 2024/4/14 17:35
  */
 @TableName(value = "ai_chat_message", autoResultMap = true)
-@KeySequence("ai_chat_conversation_seq") // 用于 Oracle、PostgreSQL、Kingbase、DB2、H2 数据库的主键自增。如果是 MySQL 等数据库，可不写。
+@KeySequence("ai_chat_message_seq") // 用于 Oracle、PostgreSQL、Kingbase、DB2、H2 数据库的主键自增。如果是 MySQL 等数据库，可不写。
 @Data
 @Builder
 @NoArgsConstructor
diff --git a/yudao-module-ai/src/main/java/cn/iocoder/yudao/module/ai/dal/dataobject/model/AiApiKeyDO.java b/yudao-module-ai/src/main/java/cn/iocoder/yudao/module/ai/dal/dataobject/model/AiApiKeyDO.java
index f2c683a503..a29f8f116a 100644
--- a/yudao-module-ai/src/main/java/cn/iocoder/yudao/module/ai/dal/dataobject/model/AiApiKeyDO.java
+++ b/yudao-module-ai/src/main/java/cn/iocoder/yudao/module/ai/dal/dataobject/model/AiApiKeyDO.java
@@ -14,7 +14,7 @@ import lombok.*;
  * @author 芋道源码
  */
 @TableName("ai_api_key")
-@KeySequence("ai_chat_conversation_seq") // 用于 Oracle、PostgreSQL、Kingbase、DB2、H2 数据库的主键自增。如果是 MySQL 等数据库，可不写。
+@KeySequence("ai_api_key_seq") // 用于 Oracle、PostgreSQL、Kingbase、DB2、H2 数据库的主键自增。如果是 MySQL 等数据库，可不写。
 @Data
 @Builder
 @NoArgsConstructor
diff --git a/yudao-module-ai/src/main/java/cn/iocoder/yudao/module/ai/dal/mysql/knowledge/AiKnowledgeSegmentMapper.java b/yudao-module-ai/src/main/java/cn/iocoder/yudao/module/ai/dal/mysql/knowledge/AiKnowledgeSegmentMapper.java
index 1b9ca867f5..2b7daacda8 100644
--- a/yudao-module-ai/src/main/java/cn/iocoder/yudao/module/ai/dal/mysql/knowledge/AiKnowledgeSegmentMapper.java
+++ b/yudao-module-ai/src/main/java/cn/iocoder/yudao/module/ai/dal/mysql/knowledge/AiKnowledgeSegmentMapper.java
@@ -51,8 +51,7 @@ public interface AiKnowledgeSegmentMapper extends BaseMapperX<AiKnowledgeSegment
         MPJLambdaWrapper<AiKnowledgeSegmentDO> wrapper = new MPJLambdaWrapperX<AiKnowledgeSegmentDO>()
                 .selectAs(AiKnowledgeSegmentDO::getDocumentId, AiKnowledgeSegmentProcessRespVO::getDocumentId)
                 .selectCount(AiKnowledgeSegmentDO::getId, "count")
-                .select("COUNT(CASE WHEN vector_id > '" + AiKnowledgeSegmentDO.VECTOR_ID_EMPTY
-                        + "' THEN 1 ELSE NULL END) AS embeddingCount")
+                .select("COUNT(CASE WHEN vector_id IS NOT NULL AND vector_id <> '" + AiKnowledgeSegmentDO.VECTOR_ID_EMPTY + "' THEN 1 ELSE NULL END) AS embeddingCount")
                 .in(AiKnowledgeSegmentDO::getDocumentId, documentIds)
                 .groupBy(AiKnowledgeSegmentDO::getDocumentId);
         return selectJoinList(AiKnowledgeSegmentProcessRespVO.class, wrapper);
diff --git a/yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/controller/admin/file/vo/file/FileCreateReqVO.java b/yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/controller/admin/file/vo/file/FileCreateReqVO.java
index 5daa3972e9..72bcfd1ded 100644
--- a/yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/controller/admin/file/vo/file/FileCreateReqVO.java
+++ b/yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/controller/admin/file/vo/file/FileCreateReqVO.java
@@ -28,6 +28,6 @@ public class FileCreateReqVO {
     private String type;
 
     @Schema(description = "文件大小", example = "2048", requiredMode = Schema.RequiredMode.REQUIRED)
-    private Integer size;
+    private Long size;
 
 }
diff --git a/yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/controller/admin/file/vo/file/FileRespVO.java b/yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/controller/admin/file/vo/file/FileRespVO.java
index a0357da15c..17df49afb1 100644
--- a/yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/controller/admin/file/vo/file/FileRespVO.java
+++ b/yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/controller/admin/file/vo/file/FileRespVO.java
@@ -28,7 +28,7 @@ public class FileRespVO {
     private String type;
 
     @Schema(description = "文件大小", example = "2048", requiredMode = Schema.RequiredMode.REQUIRED)
-    private Integer size;
+    private Long size;
 
     @Schema(description = "创建时间", requiredMode = Schema.RequiredMode.REQUIRED)
     private LocalDateTime createTime;
diff --git a/yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/dal/dataobject/file/FileDO.java b/yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/dal/dataobject/file/FileDO.java
index 5cb666ef56..7219788930 100644
--- a/yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/dal/dataobject/file/FileDO.java
+++ b/yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/dal/dataobject/file/FileDO.java
@@ -52,6 +52,6 @@ public class FileDO extends BaseDO {
     /**
      * 文件大小
      */
-    private Integer size;
+    private Long size;
 
 }
diff --git a/yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/service/db/DatabaseTableServiceImpl.java b/yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/service/db/DatabaseTableServiceImpl.java
index 289cae1e3e..d278579ba7 100644
--- a/yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/service/db/DatabaseTableServiceImpl.java
+++ b/yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/service/db/DatabaseTableServiceImpl.java
@@ -59,9 +59,9 @@ public class DatabaseTableServiceImpl implements DatabaseTableService {
             strategyConfig.addInclude(name);
         } else {
             // 移除工作流和定时任务前缀的表名
-            strategyConfig.addExclude("ACT_[\\S\\s]+|QRTZ_[\\S\\s]+|FLW_[\\S\\s]+");
+            strategyConfig.addExclude("ACT_[\\S\\s]+|QRTZ_[\\S\\s]+|FLW_[\\S\\s]+|act_[\\S\\s]+|qrtz_[\\S\\s]+|flw_[\\S\\s]+");
             // 移除 ORACLE 相关的系统表
-            strategyConfig.addExclude("IMPDP_[\\S\\s]+|ALL_[\\S\\s]+|HS_[\\S\\\\s]+");
+            strategyConfig.addExclude("IMPDP_[\\S\\s]+|ALL_[\\S\\s]+|HS_[\\S\\s]+|impdp_[\\S\\s]+|all_[\\S\\s]+|hs_[\\S\\s]+");
             strategyConfig.addExclude("[\\S\\s]+\\$[\\S\\s]+|[\\S\\s]+\\$"); // 表里不能有 $，一般有都是系统的表
         }
 
diff --git a/yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/service/file/FileServiceImpl.java b/yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/service/file/FileServiceImpl.java
index 703df8c5f0..168db02c6b 100644
--- a/yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/service/file/FileServiceImpl.java
+++ b/yudao-module-infra/src/main/java/cn/iocoder/yudao/module/infra/service/file/FileServiceImpl.java
@@ -88,7 +88,7 @@ public class FileServiceImpl implements FileService {
         // 3. 保存到数据库
         fileMapper.insert(new FileDO().setConfigId(client.getId())
                 .setName(name).setPath(path).setUrl(url)
-                .setType(type).setSize(content.length));
+                .setType(type).setSize((long) content.length));
         return url;
     }