diff --git a/comm/server/main.py b/comm/server/main.py
index c6363aabca1331f92d08953a45a452afdc2ec6cd..06b627f692f27e6c822b12b4d9a9a7606305e921 100644
--- a/comm/server/main.py
+++ b/comm/server/main.py
@@ -117,12 +117,18 @@ def post():
     _answer = request.form["answer"]
     _client = request.form["client"]
 
+    if "solver" in request.form:
+        _solver = request.form["solver"]
+    else:
+        _solver = _client
+
     receive_time = datetime.datetime.now()
     receive_time_str = receive_time.strftime("%Y%m%d%H%M%S")
 
     dat = {
         "req_id": request.form['req_id'],
         "client": _client,
+        "solver": _solver,
         "answer": _answer,
         "cputime": request.form['cputime'],
         "timestamp": receive_time.strftime("%Y/%m/%d %H:%M:%S")
@@ -220,10 +226,18 @@ def solve_questions(qname, qstr):
     global questions
     global current_seed
 
-    def worker(host, qname, qstr, qseed, req_id):
+    def worker(host, qname, qstr, qseed, req_id, resolver):
         _url = "http://{}/start".format(host)
+        data = {
+            "client": host,
+            "qname": qname,
+            "question": qstr,
+            "qseed": qseed,
+            "req_id": req_id,
+            "resolver": resolver
+        }
         try:
-            r = requests.post(_url, data={"client": host, "qname": qname, "question": qstr, "qseed": qseed, "req_id": req_id})
+            r = requests.post(_url, data=data)
             client_res = json.loads(r.text)
         except Exception as e:
             sys.stderr.write(str(e) + "\n")
@@ -234,14 +248,15 @@ def solve_questions(qname, qstr):
     req_id = time.time()
     questions[qname]['last_req'] = req_id
 
-    for c in clients:
+    for c in clients['solver']:
         # 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
+        client_addr = c[0]
+        idx_of_resolver = current_seed % len(clients['resolver'])
+        resolver = clients['resolver'][idx_of_resolver][0]
+        _th = threading.Thread(name=client_addr, target=worker, args=(client_addr, qname, qstr, current_seed, req_id, resolver))
+        _th.start()
+        threads.append(_th)
+        current_seed += 1
 
     res = {"status": "Processed"}
 
@@ -269,7 +284,7 @@ def get_clients():
 
     res = OrderedDict()
 
-    for c in clients:
+    for c in clients['all']:
         client_ip = c[0]
         res[client_ip] = "http://{}".format(client_ip)
 
@@ -291,7 +306,7 @@ def client_table():
     global app_args
     global clients
 
-    return render_template("part_client_table.html", clients=clients, local_mode=g.local_mode)
+    return render_template("part_client_table.html", clients=clients["all"], local_mode=g.local_mode)
 
 @app.route("/get_question_status")
 def question_status():
@@ -305,20 +320,17 @@ def question_status():
     update_answer_list(qname)
     qdata = questions[qname]
 
-    return render_template("part_question_status.html", qname=qname, qdata=qdata, clients=clients)
+    return render_template("part_question_status.html", qname=qname, qdata=qdata, solvers=clients["solver"])
 
 @app.route("/")
 def index():
 
     global app_args
     global questions
-    global clients
 
     question_path = os.path.abspath(app_args["question"])
 
-    print(g.local_mode)
-
-    return render_template("index.html", questions=questions, question_path=question_path, clients=clients)
+    return render_template("index.html", questions=questions, question_path=question_path)
 
 def main(args):
     raise NotImprementedError()
@@ -337,7 +349,21 @@ def init_system():
         with open(app_args["client"], "r") as fp:
             _clients = fp.readlines()
 
-        clients = [v.rstrip().split() for v in _clients]
+        all_clients = [v.rstrip().split() for v in _clients]
+
+        solver = []
+        resolver = []
+        for v in all_clients:
+            if v[1].lower() == "solver":
+                solver.append(v)
+            elif v[1].lower() == "resolver":
+                resolver.append(v)
+
+        clients = {
+            "all": all_clients,
+            "solver": solver,
+            "resolver": resolver
+        }
 
 if __name__ == "__main__":
 
diff --git a/comm/server/templates/index.html b/comm/server/templates/index.html
index 24a79484577912faa30a0754b295bc1f423b09eb..bb8456d24c04405086c733e5a005ff0416e2a4f1 100644
--- a/comm/server/templates/index.html
+++ b/comm/server/templates/index.html
@@ -20,7 +20,7 @@
         <div class="row">
             <div class="col-5" id="question-control-pane">
                 <h3>問題一覧</h3>&nbsp;
-                <span><a href="/#" id="view-server-status-button">クライアント状況</a></span>
+                <span><a href="/#" id="view-server-status-button">システム状況</a></span>
                 <div id="question-table-wrapper">
                     <p>Loading...</p>
                 </div>
diff --git a/comm/server/templates/part_question_status.html b/comm/server/templates/part_question_status.html
index 364b16df20793583152ec9439a2d106d0fe1ba33..61a5dc3fe07ebd2c07bebe2d594d9f7db120ee8f 100644
--- a/comm/server/templates/part_question_status.html
+++ b/comm/server/templates/part_question_status.html
@@ -12,8 +12,7 @@
                 <th>Client (Solver)</th>
                 <th>Status</th>
             </tr>
-            {% for c in clients %}
-            {% if c[1] == "Solver" %}
+            {% for c in solvers %}
             <tr>
                 <td>
                     {% if c|length > 3 %}
@@ -26,7 +25,6 @@
                 </td>
                 <td></td>
             </tr>
-            {% endif %}
             {% endfor %}
         </table>
     </div>
@@ -43,7 +41,7 @@
         {% for v in qdata.answers %}
         <tr>
             <td>{{v.timestamp}}</td>
-            <td>{{v.client}}</td>
+            <td>{{v.solver}}</td>
             <td>{{v.nlcheck}}</td>
         </tr>
         {% endfor %}