diff -up src/IBusChewingEngine.gob.rhbz1119963 src/IBusChewingEngine.gob
--- src/IBusChewingEngine.gob.rhbz1119963	2014-12-16 18:46:26.687255281 +1000
+++ src/IBusChewingEngine.gob	2014-12-16 18:50:27.831180202 +1000
@@ -112,7 +112,7 @@ enum CHEWING_FLAG{
  * @NEED_COMMIT:        There's Something to commit.
  * @FORCE_COMMIT:       The engine should commit
  * @IS_PASSWORD:        Current input is password.
- * @IS_ENGLISH:		English mode
+ * @PROPERTIES_REGISTERED: 	Engine registered the properties.
  *
  * Engine status show the current states of engine,
  * Thus this will change quite often.
@@ -128,6 +128,7 @@ enum ENGINE_STATUS{
     NEED_COMMIT=		0x10,
     FORCE_COMMIT=		0x20,
     IS_PASSWORD=		0x40,
+    PROPERTIES_REGISTERED=	0x80,
 } Engine:Status;
 
 %h{
@@ -690,7 +691,8 @@ class IBus:Chewing:Engine from IBus:Engi
 		ibus_property_set_symbol(self->chieng_prop,SELF_GET_CLASS(self)->chieng_prop_label_eng);
 #endif
 	    }
-	    ibus_engine_update_property(IBUS_ENGINE(self),self->chieng_prop);
+	    if (self->_priv->statusFlags & ENGINE_STATUS_PROPERTIES_REGISTERED)
+		ibus_engine_update_property(IBUS_ENGINE(self), self->chieng_prop);
 	}else if (strcmp(prop_name,"chewing_alnumSize_prop")==0){
 	    if (chewing_get_ShapeMode(self->context)){
 		/* Full-Sized Shape */
@@ -699,7 +701,8 @@ class IBus:Chewing:Engine from IBus:Engi
 		/* Half-Sized Shape */
 		ibus_property_set_label(self->alnumSize_prop,SELF_GET_CLASS(self)->alnumSize_prop_label_half);
 	    }
-	    ibus_engine_update_property(IBUS_ENGINE(self),self->alnumSize_prop);
+	    if (self->_priv->statusFlags & ENGINE_STATUS_PROPERTIES_REGISTERED)
+		ibus_engine_update_property(IBUS_ENGINE(self),self->alnumSize_prop);
 	}
     }
 
@@ -715,17 +718,19 @@ class IBus:Chewing:Engine from IBus:Engi
      * Refresh the property list (language bar).
      */
     public void refresh_property_list(self){
-	self_refresh_property(self,"chewing_chieng_prop");
+	if (!(self->_priv->statusFlags & ENGINE_STATUS_PROPERTIES_REGISTERED)) {
+	    self_refresh_property(self,"chewing_chieng_prop");
+
+	    self_refresh_property(self,"chewing_alnumSize_prop");
 
-	self_refresh_property(self,"chewing_alnumSize_prop");
+	    self_refresh_property(self,"chewing_settings_prop");
 
-	self_refresh_property(self,"chewing_settings_prop");
-	if (self->_priv->statusFlags & (ENGINE_STATUS_ENABLED | ENGINE_STATUS_FOCUS_IN)){
 	    ibus_engine_register_properties(IBUS_ENGINE(self),self->prop_list);
 	    IBUS_ENGINE_GET_CLASS(self)->property_show(IBUS_ENGINE(self),"chewing_chieng_prop");
 	    IBUS_ENGINE_GET_CLASS(self)->property_show(IBUS_ENGINE(self),"chewing_alnumSize_prop");
 	    IBUS_ENGINE_GET_CLASS(self)->property_show(IBUS_ENGINE(self),"chewing_settings_prop");
 	}
+
     }
 
     /**
@@ -1094,6 +1099,9 @@ class IBus:Chewing:Engine from IBus:Engi
 	ibus_chewing_engine_clear_status_flag(self,
 		ENGINE_STATUS_FORCE_COMMIT | ENGINE_STATUS_NEED_COMMIT);
 
+	ibus_chewing_engine_set_status_flag(self,
+		ENGINE_STATUS_PROPERTIES_REGISTERED);
+
 //	self_update(self);
 	IBUS_CHEWING_LOG(4,"[I4] focus_in(): return");
     }
@@ -1110,6 +1118,9 @@ class IBus:Chewing:Engine from IBus:Engi
 	 * IBUS_ENGINE_PREEDIT_COMMIT
 	 */
 //	self_force_commit(self);
+//
+	ibus_chewing_engine_clear_status_flag(self, ENGINE_STATUS_PROPERTIES_REGISTERED);
+
 	IBUS_CHEWING_LOG(5,"[I5]  focus_out(): return");
     }