modify

src/be/app/Http/Controllers/HealthyPassPortController.php

      */
     public function post(Request $request){
         $lineUserId = $request->lineUserId; //line UID
-        $headSticker = $request->headSticker; //頭貼
+        $headSticker = $request->headSticker ?? ""; //頭貼
         $healthAction = $request->healthAction; //平常你有什麼健康行動（複選）
         $healthTopic = $request->healthTopic; //你對什麼健康話題有興趣（複選）
         $healthStatus = $request->healthStatus; //你覺得自己的身體狀況如何
             $this->botActionsSend($lineUserId,$buildActions);
 
             //儲存填寫資料
-            $survey_data = new Survey();
+            $survey_data = Survey::where('line_user_id',$lineUserId)->first();
+            if(empty($survey_data->id)){
+                $survey_data = new Survey();
+            }
             $survey_data->line_user_id = $lineUserId;
             $survey_data->head_sticker = $headSticker;
             $survey_data->nickname = $healthNickname;