diff --git a/comm/server/main.py b/comm/server/main.py
index 232ee8e43c2202a17229a53c2cb6837bf9d2f5dd..5f98e468e2e5a3e65148474a4439103634e8b548 100644
--- a/comm/server/main.py
+++ b/comm/server/main.py
@@ -59,6 +59,7 @@ def load_questions():
             "queue": Queue(),
             "board_size": board_size,
             "line_num": line_num,
+            "last_req": None,
             "answers": [],
             }
 
@@ -112,18 +113,17 @@ def post():
     global questions
     global app_args
 
-    _client = request.form["client"]
     _qname = request.form["qname"]
     _answer = request.form["answer"]
-    _cputime = request.form["cputime"]
 
     receive_time = datetime.datetime.now()
     receive_time_str = receive_time.strftime("%Y%m%d%H%M%S")
 
     dat = {
-        "client": _client,
+        "req_id": request.form['req_id'],
+        "client": request.form['client'],
         "answer": _answer,
-        "cputime": _cputime,
+        "cputime": request.form['cputime'],
         "timestamp": receive_time.strftime("%Y/%m/%d %H:%M:%S")
     }
 
@@ -218,26 +218,29 @@ def solve_questions(qname, qstr):
     global clients
     global questions
     global current_seed
-    global app_args
 
-    def worker(host, qname, qstr, qseed, request_time):
+    def worker(host, qname, qstr, qseed, req_id):
         _url = "http://{}/start".format(host)
         try:
-            r = requests.post(_url, data={"client": host, "qname": qname, "question": qstr, "qseed": qseed, "request_time": request_time})
+            r = requests.post(_url, data={"client": host, "qname": qname, "question": qstr, "qseed": qseed, "req_id": req_id})
             client_res = json.loads(r.text)
         except Exception as e:
             sys.stderr.write(str(e) + "\n")
 
     threads = []
 
-    request_time = time.time()
+    # 時刻をリクエストIDとして設定
+    req_id = time.time()
+    questions[qname]['last_req'] = req_id
 
     for c in clients:
-        client_addr = c[0]
-        _th = threading.Thread(name=client_addr, target=worker, args=(client_addr, qname, qstr, current_seed, request_time))
-        _th.start()
-        threads.append(_th)
-        current_seed += 1
+        # 問題はSolverに送る
+        if c[1] == 'Solver':
+            client_addr = c[0]
+            _th = threading.Thread(name=client_addr, target=worker, args=(client_addr, qname, qstr, current_seed, req_id))
+            _th.start()
+            threads.append(_th)
+            current_seed += 1
 
     res = {"status": "Processed"}