diff --git a/scim-wnn/src/scim_wnn_def.h b/scim-wnn/src/scim_wnn_def.h
index 45e9ea2..265017c 100644
--- a/scim-wnn/src/scim_wnn_def.h
+++ b/scim-wnn/src/scim_wnn_def.h
@@ -65,5 +65,8 @@
 #define SCIM_CONFIG_WNN_RC                          "/IMEngine/Wnn/Rc"
 #define SCIM_DEFAULT_WNN_RC                         "/usr/lib/wnn7/ja_JP/wnnenvrc"
 
+#define SCIM_CONFIG_WNN_MINISTATUS                  "/IMEngine/Wnn/MiniStatus"
+#define SCIM_DEFAULT_WNN_MINISTATUS                 true
+
 #endif
 
diff --git a/scim-wnn/src/scim_wnn_imengine.cpp b/scim-wnn/src/scim_wnn_imengine.cpp
index da97de9..1c03950 100644
--- a/scim-wnn/src/scim_wnn_imengine.cpp
+++ b/scim-wnn/src/scim_wnn_imengine.cpp
@@ -185,7 +185,9 @@
 
 WnnInstance::~ WnnInstance()
 {
-    delete m_preeditor;
+    for(unsigned int i = 0;i < preeditors.size();i ++) {
+        delete(preeditors.at(i));
+    }
 }
 
 
@@ -196,13 +198,14 @@
 {
     m_conversion = false;
     m_lookup = false;
-    mini_status = true; // @todo should read from a config.
 
     // @todo if connected to jserver, should disconnect this.
 
     host = _scim_config->read(String(SCIM_CONFIG_WNN_SERVER),String(SCIM_DEFAULT_WNN_SERVER));
     rc = _scim_config->read(String(SCIM_CONFIG_WNN_RC),String(SCIM_DEFAULT_WNN_RC));
     alp = _scim_config->read(String(SCIM_CONFIG_WNN_ALP),SCIM_DEFAULT_WNN_ALP);
+    mini_status = _scim_config->read(String(SCIM_CONFIG_WNN_MINISTATUS),SCIM_DEFAULT_WNN_MINISTATUS);
+
 
     // �ǥե���ȥ������ꡣ
     scim_string_to_key_list(k_conversion_start,