diff --git a/src/main/java/startwithco/startwithbackend/solution/solution/service/SolutionService.java b/src/main/java/startwithco/startwithbackend/solution/solution/service/SolutionService.java
index 9e639bb..6771184 100644
--- a/src/main/java/startwithco/startwithbackend/solution/solution/service/SolutionService.java
+++ b/src/main/java/startwithco/startwithbackend/solution/solution/service/SolutionService.java
@@ -1,6 +1,5 @@
 package startwithco.startwithbackend.solution.solution.service;
 
-import jakarta.persistence.LockTimeoutException;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.dao.DataIntegrityViolationException;
diff --git a/src/main/java/startwithco/startwithbackend/solution/solution/util/CATEGORY.java b/src/main/java/startwithco/startwithbackend/solution/solution/util/CATEGORY.java
index 1f73b18..27d7888 100644
--- a/src/main/java/startwithco/startwithbackend/solution/solution/util/CATEGORY.java
+++ b/src/main/java/startwithco/startwithbackend/solution/solution/util/CATEGORY.java
@@ -1,8 +1,8 @@
 package startwithco.startwithbackend.solution.solution.util;
 
 public enum CATEGORY {
-    DEFECT_INSPECTION,        // 불량 검출·예측(비전 검사)
-    PREDICTIVE_MAINTENANCE,   // 설비 이상 및 고장 예측(예지보전)
-    PROCESS_MONITORING,       // 실시간 공정 상태 모니터링(공정 이상 감지)
-    MES_INVENTORY_MANAGEMENT  // MES 재고관리(공정 재고관리)
+    MARKETING_ANALYTICS_AUTOMATION,        // 마케팅 분석·자동화
+    ORDER_INVENTORY_MANAGEMENT,   // 주문·재고 관리
+    ECOMMERCE_OPERATION_MANAGEMENT,       // 쇼핑몰·커머스 운영 관리
+    CUSTOMER_MANAGEMENT  // 고객 관리
 }