diff --git a/backend/src/main/java/io/dataease/service/datasource/DatasourceService.java b/backend/src/main/java/io/dataease/service/datasource/DatasourceService.java
index cd8c115e50..80474a31b3 100644
--- a/backend/src/main/java/io/dataease/service/datasource/DatasourceService.java
+++ b/backend/src/main/java/io/dataease/service/datasource/DatasourceService.java
@@ -663,7 +663,7 @@ public class DatasourceService {
         mysqlConfiguration.setUsername(env.getProperty("spring.datasource.username"));
         mysqlConfiguration.setPassword(env.getProperty("spring.datasource.password"));
         datasource.setConfiguration(new Gson().toJson(mysqlConfiguration));
-        datasourceMapper.updateByPrimaryKey(datasource);
+        datasourceMapper.updateByPrimaryKeyWithBLOBs(datasource);
     }
 
 }