diff --git a/webapp/classes/GameLog.php b/webapp/classes/GameLog.php
new file mode 100644
index 0000000..eb710dd
--- /dev/null
+++ b/webapp/classes/GameLog.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace classes;
+
+use phpcommon;
+
+class GameLog
+{
+    public static function Log($content)
+    {
+        phpcommon\TGLog::writeToLog('game2004api', 2004, $content);
+    }
+}
diff --git a/webapp/controller/SoloController.class.php b/webapp/controller/SoloController.class.php
index 53ecb03..a73ac02 100644
--- a/webapp/controller/SoloController.class.php
+++ b/webapp/controller/SoloController.class.php
@@ -1,8 +1,11 @@
 <?php
 
+use classes\GameLog;
+
 require 'classes/Quest.php';
 require 'classes/AddReward.php';
 require 'classes/Privilege.php';
+require 'calsses/GameLog.php';
 require_once 'metatable/item.php';
 require_once 'metatable/parameter.php';
 require_once 'metatable/drop.php';
@@ -428,6 +431,13 @@ class SoloController
             'level' => $level,
             'medals' => $solorow['medals'] - $medalcost,
         ));
+
+        GameLog::Log(array(
+            'medal cost: 1',
+            $account_id,
+            $level,
+            $medalcost,
+        ));
     }
 
     // 战斗结算
@@ -960,14 +970,16 @@ class SoloController
                     )
                 );
             } else {
-                $conn->execScript('UPDATE bag SET num=num-:subnum, modify_time=:modify_time ' .
-                                 ' WHERE accountid=:accountid AND id =:id;',
-                                 array(
-                                     ':accountid' => $account_id,
-                                     ':id' => $costitem['item_id'],
-                                     ':subnum' => $costitem['item_num'],
-                                     ':modify_time' => time()
-                                 ));
+                $conn->execScript(
+                    'UPDATE bag SET num=num-:subnum, modify_time=:modify_time ' .
+                        ' WHERE accountid=:accountid AND id =:id;',
+                    array(
+                        ':accountid' => $account_id,
+                        ':id' => $costitem['item_id'],
+                        ':subnum' => $costitem['item_num'],
+                        ':modify_time' => time()
+                    )
+                );
             }
         }
 
@@ -1254,6 +1266,13 @@ class SoloController
                 $r->pexpire($key, 1000 * 86400);
                 error_log($key . ':' . $infostr);
             }
+        } else {
+            GameLog::Log(array(
+                'medal cost: 2',
+                $account_id,
+                $level,
+                $medalcost,
+            ));
         }
 
         $quest = new classes\Quest();