diff --git a/src/main/java/com/gxwebsoft/ai/service/KnowledgeBaseService.java b/src/main/java/com/gxwebsoft/ai/service/KnowledgeBaseService.java
index 3f59a7f..ac50a97 100644
--- a/src/main/java/com/gxwebsoft/ai/service/KnowledgeBaseService.java
+++ b/src/main/java/com/gxwebsoft/ai/service/KnowledgeBaseService.java
@@ -63,10 +63,10 @@ public interface KnowledgeBaseService {
     /**
      * 知识库追加导入已解析的文档
      */
-    boolean submitDocuments(String kbId, String fileId);
+    Boolean submitDocuments(String kbId, String fileId);
     
     /**
      * 知识库追加导入已解析的文档
      */
-    boolean submitDocuments(String kbId, List<String> fileIds);
+    Boolean submitDocuments(String kbId, List<String> fileIds);
 }
\ No newline at end of file
diff --git a/src/main/java/com/gxwebsoft/ai/service/impl/KnowledgeBaseServiceImpl.java b/src/main/java/com/gxwebsoft/ai/service/impl/KnowledgeBaseServiceImpl.java
index 41acd13..6c6837c 100644
--- a/src/main/java/com/gxwebsoft/ai/service/impl/KnowledgeBaseServiceImpl.java
+++ b/src/main/java/com/gxwebsoft/ai/service/impl/KnowledgeBaseServiceImpl.java
@@ -193,7 +193,7 @@ public class KnowledgeBaseServiceImpl implements KnowledgeBaseService {
 
     @Async
     @Override
-	public boolean submitDocuments(String kbId, String fileId) {
+	public Boolean submitDocuments(String kbId, String fileId) {
         String workspaceId = config.getWorkspaceId();
     	try {
             Client client = clientFactory.createClient();
@@ -205,7 +205,7 @@ public class KnowledgeBaseServiceImpl implements KnowledgeBaseService {
 	}
     
     @Override
-	public boolean submitDocuments(String kbId, List<String> fileIds) {
+	public Boolean submitDocuments(String kbId, List<String> fileIds) {
         String workspaceId = config.getWorkspaceId();
         boolean result = true;
     	try {