diff --git a/honoka/libhonoka/honokatimer.cpp b/honoka/libhonoka/honokatimer.cpp
index ddfb481..c62cd57 100644
--- a/honoka/libhonoka/honokatimer.cpp
+++ b/honoka/libhonoka/honokatimer.cpp
@@ -90,7 +90,8 @@
         trans.put_command(HONOKA_TRANS_TIMER);
         trans.put_data(counter);
         agent.send_imengine_event(-1,"8bb03c1c-db6c-41b1-91bd-b7fb7dd70343",trans);
-        if ((counter ++) == 0) counter ++;
+        counter ++;
+        if (counter >= 0xffffffff) counter = 1; // �󡼡��ʤ�����ʤ���
     }
 }
 
@@ -136,6 +137,7 @@
         if (it == events.end()) break;
         res.push_back(it->second);
         events.erase(it);
+        if (i == 0xffffffff) i = 0;
     }
     bef = c;
     return res;
@@ -147,7 +149,10 @@
  */
 int HonokaTimer::appendDelayEvent(uint32 delay)
 {
+    uint32 t;
     eventCount ++;
-    events.insert(pair<uint32,int>(bef + delay,eventCount));
+    if ((0xffffffff - bef) <= delay) t = delay - (0xffffffff - bef) + 1;
+    else t = bef + delay;
+    events.insert(pair<uint32,int>(t,eventCount));
     return eventCount;
 }