diff --git a/honoka/src/honoka_imengine.cpp b/honoka/src/honoka_imengine.cpp
index b9c2c5b..badeb70 100644
--- a/honoka/src/honoka_imengine.cpp
+++ b/honoka/src/honoka_imengine.cpp
@@ -522,7 +522,7 @@
 {
     // �Ѵ�����ɽ��������
     update_preedit_string(m_convertor->getText(),m_convertor->getAttributeList());
-    update_preedit_caret(m_convertor->getCaretPos());
+    update_preedit_caret(0);
     if (m_lookup) {
         m_lookup_table.set_cursor_pos(m_convList.pos);
         update_lookup_table(m_lookup_table);
@@ -840,7 +840,7 @@
         }
         return true;
     } else
-    if (k_next_convertor.comp(key) || k_prev_convertor.comp(key)) {
+    if ((k_next_convertor.comp(key) || k_prev_convertor.comp(key)) && (m_convertor != m_multi)) {
         for(unsigned int i = 0;i < convertors.size();i ++) {
             if (convertors[i]->getPropertyName() == m_convertor->getPropertyName()) {
                 if (k_next_convertor.comp(key)) {