diff --git a/src/goals/goals.service.ts b/src/goals/goals.service.ts
index 21c4745..a840ce8 100644
--- a/src/goals/goals.service.ts
+++ b/src/goals/goals.service.ts
@@ -146,6 +146,7 @@ export class GoalsService {
    */
   async updateGoal(userId: string, goalId: string, updateGoalDto: UpdateGoalDto): Promise<Goal> {
     try {
+      this.logger.log(`updateGoal updateGoalDto: ${JSON.stringify(updateGoalDto, null, 2)}`);
       const goal = await this.goalModel.findOne({
         where: { id: goalId, userId, deleted: false },
       });
@@ -166,10 +167,11 @@ export class GoalsService {
         throw new BadRequestException('已完成的目标不能修改状态');
       }
 
+
+
       await goal.update({
         ...updateGoalDto,
-        startDate: updateGoalDto.startDate ? new Date(updateGoalDto.startDate) : goal.startDate,
-        endDate: updateGoalDto.endDate ? new Date(updateGoalDto.endDate) : goal.endDate,
+        endDate: updateGoalDto.endDate ? new Date(updateGoalDto.endDate) : undefined,
       });
 
       this.logger.log(`用户 ${userId} 更新了目标: ${goal.title}`);