--- a/src/myframe.cpp	Thu Jun 19 18:46:11 2014 +0900
+++ b/src/myframe.cpp	Mon Jul 28 21:40:42 2014 +0900
@@ -1,5 +1,5 @@
 // Filename   : myframe.cpp
-// Last Change: 19-Jun-2014.
+// Last Change: 28-Jul-2014.
 //
 #include "main.h"
 #include "db.h"
@@ -81,8 +81,10 @@
                 SetSelection( input.Len(), 10 );
 
                 wxArrayString s = wxSplit( GetHhsInfoByHhsNo( m_jhhsno[i] ), '_', '\\' );
-                wxString msg = wxT("もしかして... ") + s[0] + wxT(" ？！");
-                SetMessage( msg );
+                if ( !s.IsEmpty() ) {
+                    wxString msg = wxT("もしかして... ") + s[0] + wxT(" ？！");
+                    SetMessage( msg );
+                }
                 return;
             }
             SetMessage( wxEmptyString );