diff --git a/backend-node/src/controllers/commonCodeController.ts b/backend-node/src/controllers/commonCodeController.ts
index 4b57b846..a9bd0755 100644
--- a/backend-node/src/controllers/commonCodeController.ts
+++ b/backend-node/src/controllers/commonCodeController.ts
@@ -169,9 +169,9 @@ export class CommonCodeController {
         userId: userId || "",
         action: "CREATE",
         resourceType: "CODE_CATEGORY",
-        resourceId: category?.categoryCode,
-        resourceName: category?.categoryName || categoryData.categoryName,
-        summary: `코드 카테고리 "${category?.categoryName || categoryData.categoryName}" 생성`,
+        resourceId: category?.category_code,
+        resourceName: category?.category_name || categoryData.categoryName,
+        summary: `코드 카테고리 "${category?.category_name || categoryData.categoryName}" 생성`,
         ipAddress: getClientIp(req),
         requestPath: req.originalUrl,
       });
@@ -227,7 +227,7 @@ export class CommonCodeController {
         action: "UPDATE",
         resourceType: "CODE_CATEGORY",
         resourceId: categoryCode,
-        resourceName: category?.categoryName,
+        resourceName: category?.category_name,
         summary: `코드 카테고리 "${categoryCode}" 수정`,
         ipAddress: getClientIp(req),
         requestPath: req.originalUrl,
diff --git a/backend-node/src/controllers/numberingRuleController.ts b/backend-node/src/controllers/numberingRuleController.ts
index 68f12dde..8a9f6b56 100644
--- a/backend-node/src/controllers/numberingRuleController.ts
+++ b/backend-node/src/controllers/numberingRuleController.ts
@@ -248,7 +248,7 @@ router.put(
         resourceId: ruleId,
         summary: `채번 규칙(ID:${ruleId}) 수정`,
         changes: {
-          before: { ruleName: beforeRule?.ruleName, prefix: beforeRule?.prefix },
+          before: { ruleName: beforeRule?.ruleName, separator: beforeRule?.separator },
           after: updates,
         },
         ipAddress: getClientIp(req),
diff --git a/backend-node/src/controllers/screenManagementController.ts b/backend-node/src/controllers/screenManagementController.ts
index 1827640c..6d74f75e 100644
--- a/backend-node/src/controllers/screenManagementController.ts
+++ b/backend-node/src/controllers/screenManagementController.ts
@@ -116,7 +116,7 @@ export const createScreen = async (
       userName: (req.user as any)?.userName || "",
       action: "CREATE",
       resourceType: "SCREEN",
-      resourceId: String(newScreen?.id || ""),
+      resourceId: String(newScreen?.screenId || ""),
       resourceName: newScreen?.screenName || screenData.screenName,
       summary: `화면 "${newScreen?.screenName || screenData.screenName}" 생성`,
       changes: { after: { screenName: newScreen?.screenName, tableName: newScreen?.tableName } },
@@ -668,7 +668,7 @@ export const copyScreen = async (
       userName: (req.user as any)?.userName || "",
       action: "COPY",
       resourceType: "SCREEN",
-      resourceId: String(copiedScreen?.id || ""),
+      resourceId: String(copiedScreen?.screenId || ""),
       resourceName: screenName,
       summary: `화면 "${screenName}" 복사 (원본 ID:${id})`,
       changes: { after: { sourceScreenId: id, screenName, screenCode } },