添加一个测试用响应

Change-Id: I2d7a9edfd5131b5e6cd364814647536d21d50254
diff --git a/src/main/java/com/pt/controller/AdminController.java b/src/main/java/com/pt/controller/AdminController.java
index 1ddfc92..22e2b86 100644
--- a/src/main/java/com/pt/controller/AdminController.java
+++ b/src/main/java/com/pt/controller/AdminController.java
@@ -31,7 +31,9 @@
         Admin admin = adminService.findByUsernameAndPassword(username, password);
         if (admin != null) {
             ans.put("result", "Login successful");
-            ans.put("token", JWTUtils.generateToken(username, Constants.UserRole.ADMIN, (int)1.2e8));
+            ans.put("data", Map.of(
+                    "token", JWTUtils.generateToken(username, Constants.UserRole.ADMIN, (int)1.2e8)
+            ));
             return ResponseEntity.ok().body(ans);
         } else {
             ans.put("result", "Invalid username or password");