diff --git a/src/modules/base/service/sys/data.ts b/src/modules/base/service/sys/data.ts
new file mode 100644
index 0000000..42b03c9
--- /dev/null
+++ b/src/modules/base/service/sys/data.ts
@@ -0,0 +1,10 @@
+import { DataSource } from 'typeorm';
+
+export class TempDataSource extends DataSource {
+  /**
+   * 重新构造元数据
+   */
+  async buildMetadatas() {
+    await super.buildMetadatas();
+  }
+}