diff --git a/src/main/java/entity/User.java b/src/main/java/entity/User.java
index b53e2e2..0a706ae 100644
--- a/src/main/java/entity/User.java
+++ b/src/main/java/entity/User.java
@@ -62,7 +62,7 @@
     @Column(name = "invite_left", nullable = false)
     @JsonProperty("invite_left")
     public int invitetimes;
-    @OneToOne(mappedBy = "user", cascade = CascadeType.ALL, fetch = FetchType.LAZY, optional = false)
+    @OneToOne(mappedBy = "user", cascade = CascadeType.ALL, fetch = FetchType.LAZY)
     public UserPT userPT;
 
     // Constructors, getters, setters