diff --git a/dsp/src/main/java/com/jsc/dsp/utils/DatabaseConnector.java b/dsp/src/main/java/com/jsc/dsp/utils/DatabaseConnector.java
index 482b3f1..df1cb9f 100644
--- a/dsp/src/main/java/com/jsc/dsp/utils/DatabaseConnector.java
+++ b/dsp/src/main/java/com/jsc/dsp/utils/DatabaseConnector.java
@@ -341,7 +341,7 @@ public class DatabaseConnector {
                 }
             }
 
-            return String.join(";", filenames);
+            return String.join(",", filenames);
         } catch (Exception e) {
             // 如果解析失败，返回空或原始内容（根据需求）
             return ""; // 或者 return jsonStr; 用于调试