diff --git a/src/main/java/com/example/demo/app/domain/service/CourseInfoService.java b/src/main/java/com/example/demo/app/domain/service/CourseInfoService.java
index 2699f13..70b846a 100644
--- a/src/main/java/com/example/demo/app/domain/service/CourseInfoService.java
+++ b/src/main/java/com/example/demo/app/domain/service/CourseInfoService.java
@@ -5,6 +5,6 @@ import java.util.List;
 import com.example.demo.app.domain.model.CourseInfoModel;
 
 public interface CourseInfoService {
-	// 
+	
 	public List<CourseInfoModel> findAll();
 }
diff --git a/src/main/java/com/example/demo/app/domain/service/CourseService.java b/src/main/java/com/example/demo/app/domain/service/CourseService.java
index bbf92f7..4681860 100644
--- a/src/main/java/com/example/demo/app/domain/service/CourseService.java
+++ b/src/main/java/com/example/demo/app/domain/service/CourseService.java
@@ -5,7 +5,7 @@ import java.util.List;
 import com.example.demo.app.domain.model.CourseModel;
 
 public interface CourseService {
-	//
+	
 	public List<CourseModel> findAll();
 	
 }
diff --git a/src/main/java/com/example/demo/app/domain/service/impl/CourseInfoServiceImpl.java b/src/main/java/com/example/demo/app/domain/service/impl/CourseInfoServiceImpl.java
new file mode 100644
index 0000000..69f50a8
--- /dev/null
+++ b/src/main/java/com/example/demo/app/domain/service/impl/CourseInfoServiceImpl.java
@@ -0,0 +1,24 @@
+package com.example.demo.app.domain.service.impl;
+
+import java.util.List;
+
+import org.springframework.stereotype.Service;
+
+import com.example.demo.app.domain.model.CourseInfoModel;
+import com.example.demo.app.domain.service.CourseInfoService;
+import com.example.demo.app.infra.repository.AllocationRepository;
+
+import lombok.RequiredArgsConstructor;
+
+@Service
+@RequiredArgsConstructor
+public class CourseInfoServiceImpl implements CourseInfoService {
+	
+	private final AllocationRepository allocationRepository;
+	
+	@Override
+	public List<CourseInfoModel> findAll() {
+		return allocationRepository.findAllJoinedAllocation();
+	}
+	
+}
diff --git a/src/main/java/com/example/demo/app/domain/service/impl/CourseServiceImpl.java b/src/main/java/com/example/demo/app/domain/service/impl/CourseServiceImpl.java
index fa62a60..37638f6 100644
--- a/src/main/java/com/example/demo/app/domain/service/impl/CourseServiceImpl.java
+++ b/src/main/java/com/example/demo/app/domain/service/impl/CourseServiceImpl.java
@@ -21,5 +21,4 @@ public class CourseServiceImpl implements CourseService {
 		
 		return CourseEntity.createCourseModelList(courseRepository.findAll());
 	}
-	
 }