diff --git a/call.cgi b/call.cgi
index c5c6f95..002a848 100755
--- a/call.cgi
+++ b/call.cgi
@@ -76,8 +76,8 @@
     reject = False
     for date, action in db[machine]:
         if action.startswith("on:"):
-            if fr - date > timedelta(hours=10):
-                continue
+            if candidate != [] and candidate[-1][2] == "---":
+                candidate.pop()
             action, id_ = action.split(":")
             id_ = id_.lower()
             if date < to:
@@ -107,6 +107,8 @@
             if id_.lower() == candidate[-1][4]:
                     reject = True
                     candidate.pop()
+        elif action.startswith("startup") and candidate:
+            action = "off:" + candidate[-1][4]
         elif action.startswith("shutdown") and candidate:
             action = "off:" + candidate[-1][4]
         if action.startswith("off:"):
@@ -119,8 +121,11 @@
                 elif active and id_ == candidate[-1][4]:
                     active = False
                     candidate[-1][2] = date.strftime(datefmt)
-                    candidate[-1][1] += "〜"+date.strftime(datefmt)
-            elif fr < date and fr + timedelta(hours=2) > date:  # no candidate 
+                    if candidate[-1][1].startswith("?"):
+                        candidate[-1][1] = "?〜"+date.strftime(datefmt)
+                    else:
+                        candidate[-1][1] += "〜" + date.strftime(datefmt)
+            elif fr < date and to > date:  # no candidate 
                 to_entry = date.strftime(datefmt)
                 entry = date.strftime(datefmt)
                 res = c.execute(query, (id_,))
@@ -128,7 +133,7 @@
                 if dd:
                     candidate.append(
                             # 0       1      2      3       4
-                            [machine, entry, to_entry,  action, id_, 
+                            [machine, "?〜" + entry, to_entry,  action, id_, 
                             #      5                6
                             dd[0], dd[1],
                             #      7                8
@@ -136,7 +141,7 @@
                 else:
                     candidate.append(
                             # 0       1      2      3       4
-                            [machine, entry, "---",  action, id_, 
+                            [machine, "?〜"+entry, "---",  action, id_, 
                             # 5       6
                             "????",  id_,
                             #      7                8