diff --git a/src/activity-logs/models/activity-log.model.ts b/src/activity-logs/models/activity-log.model.ts
index d30d455..6c9adad 100644
--- a/src/activity-logs/models/activity-log.model.ts
+++ b/src/activity-logs/models/activity-log.model.ts
@@ -8,6 +8,7 @@ export enum ActivityEntityType {
   CHECKIN = 'CHECKIN',
   TRAINING_PLAN = 'TRAINING_PLAN',
   WORKOUT = 'WORKOUT',
+  DIET_RECORD = 'DIET_RECORD',
 
 }
 
@@ -38,7 +39,7 @@ export class ActivityLog extends Model {
   declare user?: User;
 
   @Column({
-    type: DataType.ENUM('USER', 'USER_PROFILE', 'USER_WEIGHT_HISTORY', 'CHECKIN', 'TRAINING_PLAN', 'WORKOUT'),
+    type: DataType.ENUM('USER', 'USER_PROFILE', 'USER_WEIGHT_HISTORY', 'CHECKIN', 'TRAINING_PLAN', 'WORKOUT', 'DIET_RECORD'),
     allowNull: false,
     comment: '实体类型',
   })
diff --git a/src/diet-records/diet-records.service.ts b/src/diet-records/diet-records.service.ts
index 1d8c1c1..f718bbc 100644
--- a/src/diet-records/diet-records.service.ts
+++ b/src/diet-records/diet-records.service.ts
@@ -3,7 +3,7 @@ import { InjectModel } from '@nestjs/sequelize';
 import { Op, Transaction } from 'sequelize';
 import { Sequelize } from 'sequelize-typescript';
 import { UserDietHistory } from '../users/models/user-diet-history.model';
-import { ActivityLog } from '../activity-logs/models/activity-log.model';
+import { ActivityActionType, ActivityEntityType, ActivityLog } from '../activity-logs/models/activity-log.model';
 import { CreateDietRecordDto, UpdateDietRecordDto, GetDietHistoryQueryDto, DietRecordResponseDto, DietHistoryResponseDto, NutritionSummaryDto } from '../users/dto/diet-record.dto';
 import { DietRecordSource } from '../users/models/user-diet-history.model';
 import { ResponseCode } from '../base.dto';
@@ -26,6 +26,7 @@ export class DietRecordsService {
   async addDietRecord(userId: string, createDto: CreateDietRecordDto): Promise<DietRecordResponseDto> {
     const t = await this.sequelize.transaction();
     try {
+      this.logger.log(`addDietRecord - userId: ${userId}, createDto: ${JSON.stringify(createDto)}`);
       // 创建饮食记录
       const dietRecord = await this.userDietHistoryModel.create({
         userId,
@@ -52,8 +53,10 @@ export class DietRecordsService {
       // 记录活动日志
       await this.activityLogModel.create({
         userId,
-        action: 'diet_record_added',
-        details: {
+        action: ActivityActionType.CREATE,
+        entityType: ActivityEntityType.DIET_RECORD,
+        entityId: dietRecord.id.toString(),
+        changes: {
           recordId: dietRecord.id,
           foodName: createDto.foodName,
           mealType: createDto.mealType,
@@ -160,11 +163,13 @@ export class DietRecordsService {
       // 记录活动日志
       await this.activityLogModel.create({
         userId,
-        action: 'diet_record_updated',
-        details: {
+        action: ActivityActionType.UPDATE,
+        entityType: ActivityEntityType.DIET_RECORD,
+        entityId: record.id.toString(),
+        changes: {
           recordId: record.id,
           foodName: record.foodName,
-          changes: updateDto,
+          updates: updateDto,
         },
       }, { transaction: t });
 
@@ -199,8 +204,10 @@ export class DietRecordsService {
       // 记录活动日志
       await this.activityLogModel.create({
         userId,
-        action: 'diet_record_deleted',
-        details: {
+        action: ActivityActionType.DELETE,
+        entityType: ActivityEntityType.DIET_RECORD,
+        entityId: record.id.toString(),
+        changes: {
           recordId: record.id,
           foodName: record.foodName,
           mealType: record.mealType,