diff --git a/nursing-unit-api/src/main/java/com/nu/modules/pad/invoicing/api/InvoicingApi.java b/nursing-unit-api/src/main/java/com/nu/modules/pad/invoicing/api/InvoicingApi.java
index bec227e..173bfda 100644
--- a/nursing-unit-api/src/main/java/com/nu/modules/pad/invoicing/api/InvoicingApi.java
+++ b/nursing-unit-api/src/main/java/com/nu/modules/pad/invoicing/api/InvoicingApi.java
@@ -15,6 +15,9 @@ import javax.servlet.http.HttpServletRequest;
 import java.util.List;
 import java.util.Map;
 
+/**
+ * 采购单pad接口
+ */
 @RestController
 @RequestMapping("/api/pad/invoicing")
 public class InvoicingApi {