Index: src/main/java/com/db/finki/www/build_board/entity/thread/Tag.java
===================================================================
--- src/main/java/com/db/finki/www/build_board/entity/thread/Tag.java	(revision 6eae161ca2c615c6f1ca6f751ff293c0ad80b18f)
+++ src/main/java/com/db/finki/www/build_board/entity/thread/Tag.java	(revision 40c7170052a1a69c4de3ac9f5161e6871251760e)
@@ -2,4 +2,5 @@
 
 import com.db.finki.www.build_board.entity.user_type.BBUser;
+import com.fasterxml.jackson.annotation.JsonGetter;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import jakarta.persistence.*;
@@ -44,4 +45,8 @@
     }
 
+    @JsonGetter("creator")
+    public String getCreatorUsernameJackson(){
+        return creator.getUsername() == null ? "" : creator.getUsername() ;
+    }
     @Override
     public int hashCode() {