diff --git a/src/main/java/com/example/demo/app/infra/entity/CourseEntity.java b/src/main/java/com/example/demo/app/infra/entity/CourseEntity.java
index f1a1d74..3afec50 100644
--- a/src/main/java/com/example/demo/app/infra/entity/CourseEntity.java
+++ b/src/main/java/com/example/demo/app/infra/entity/CourseEntity.java
@@ -6,12 +6,11 @@ import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
 import jakarta.persistence.OneToMany;
 import jakarta.persistence.OneToOne;
 import jakarta.persistence.Table;
 
-import org.springframework.data.annotation.Id;
-
 import com.example.demo.app.domain.model.CourseModel;
 
 import lombok.AllArgsConstructor;
@@ -41,7 +40,7 @@ public class CourseEntity {
 	 private List<UserEntity> userEntity;
 	 
 	 @OneToOne(mappedBy = "courseEntity")
-	 private List<AllocationEntity> allocationEntity;
+	 private AllocationEntity allocationEntity;
 	 
 	 
 	 public static List<CourseModel> createCourseModelList(List<CourseEntity> courseEntityList) {