diff --git a/src/test/java/databasetest/databasesystest.java b/src/test/java/databasetest/databasesystest.java
index 22a9b1e..5f883f9 100644
--- a/src/test/java/databasetest/databasesystest.java
+++ b/src/test/java/databasetest/databasesystest.java
@@ -106,7 +106,7 @@
                     existingUserPT.farmurl = null;
                     existingUserPT.viptime = 0;
                     existingUserPT.user = existingUser;
-                    existingUser.userPT = existingUserPT;
+                    // existingUser.userPT = existingUserPT;
                     
                     em.persist(existingUser);
                     existingUsers.add(existingUser);
@@ -159,7 +159,7 @@
                 invitedUserPT.farmurl = null;
                 invitedUserPT.viptime = 0;
                 invitedUserPT.user = invitedUser;
-                invitedUser.userPT = invitedUserPT;
+                // invitedUser.userPT = invitedUserPT;
                 
                 int ret1 = db.RegisterUser(invitedUser);
                 Assertions.assertEquals(0, ret1, "RegisterUser should return 0 for invited user's first registration");
@@ -241,7 +241,7 @@
                 userPT.farmurl = null;
                 userPT.viptime = 0;
                 userPT.user = user;
-                user.userPT = userPT;
+                // user.userPT = userPT;
                 em.persist(user);
                 em.flush();
                 // 更新信息
@@ -317,7 +317,7 @@
                 userPT.farmurl = null;
                 userPT.viptime = 0;
                 userPT.user = user;
-                user.userPT = userPT;
+                // user.userPT = userPT;
                 em.persist(user);
                 em.flush();
                 // 查询
@@ -372,7 +372,7 @@
                 userPT.farmurl = "/data/seeds/" + userId;
                 userPT.viptime = 3 + i;
                 userPT.user = user;
-                user.userPT = userPT;
+                // user.userPT = userPT;
                 em.persist(user);
                 em.persist(userPT);
                 em.flush();
@@ -424,7 +424,7 @@
                 userPT.farmurl = null;
                 userPT.viptime = 0;
                 userPT.user = user;
-                user.userPT = userPT;
+                // user.userPT = userPT;
                 em.persist(user);
                 em.persist(userPT);
                 em.flush();
@@ -495,7 +495,7 @@
                 userPT.farmurl = "/path/to/seed" + i;
                 userPT.viptime = 3 + i;
                 userPT.user = user;
-                user.userPT = userPT;
+                // user.userPT = userPT;
                 // em.persist(user);
                 // em.persist(userPT);
                 // em.flush();
@@ -549,7 +549,7 @@
                 userPT.farmurl = null;
                 userPT.viptime = 0;
                 userPT.user = user;
-                user.userPT = userPT;
+                // user.userPT = userPT;
                 em.persist(user);
                 em.persist(userPT);
                 // 再插入Seed
@@ -619,7 +619,7 @@
                 userPT.farmurl = null;
                 userPT.viptime = 0;
                 userPT.user = user;
-                user.userPT = userPT;
+                // user.userPT = userPT;
                 em.persist(user);
                 em.persist(userPT);
                 // 再插入Seed
@@ -713,7 +713,7 @@
                 userPT.farmurl = null;
                 userPT.viptime = 0;
                 userPT.user = user;
-                user.userPT = userPT;
+                // user.userPT = userPT;
                 em.persist(user);
                 em.persist(userPT);
                 // 再插入Seed
@@ -827,7 +827,7 @@
                 userPT.farmurl = null;
                 userPT.viptime = 0;
                 userPT.user = user;
-                user.userPT = userPT;
+                // user.userPT = userPT;
                 em.persist(user);
                 em.persist(userPT);
                 em.flush();
@@ -1011,7 +1011,7 @@
                 userPT.farmurl = null;
                 userPT.viptime = 0;
                 userPT.user = user;
-                user.userPT = userPT;
+                // user.userPT = userPT;
                 em.persist(user);
                 em.persist(userPT);
                 em.flush();
@@ -1058,7 +1058,7 @@
                 userPT.farmurl = null;
                 userPT.viptime = 0;
                 userPT.user = user;
-                user.userPT = userPT;
+                // user.userPT = userPT;
                 em.persist(user);
                 em.persist(userPT);
                 em.flush();
@@ -1118,7 +1118,7 @@
                 userPT.farmurl = null;
                 userPT.viptime = 0;
                 userPT.user = user;
-                user.userPT = userPT;
+                // user.userPT = userPT;
                 em.persist(user);
                 em.persist(userPT);
                 em.flush();
@@ -1190,7 +1190,7 @@
                 userPT.farmurl = null;
                 userPT.viptime = 0;
                 userPT.user = user;
-                user.userPT = userPT;
+                // user.userPT = userPT;
                 em.persist(user);
                 em.persist(userPT);
                 em.flush();