diff --git a/Classes/GyaimController.rb b/Classes/GyaimController.rb
index 0ec6abb..017d093 100755
--- a/Classes/GyaimController.rb
+++ b/Classes/GyaimController.rb
@@ -59,6 +59,7 @@ def resetState
     @nthCand = 0
     @ws.searchmode = 0
     @selectedstr = nil
+    hideWindow
   end
 
   def converting
@@ -157,7 +158,6 @@ def handleEvent(event, client:sender)
       handled = true
     end
 
-    showWindow
     return handled
   end
 
@@ -230,6 +230,7 @@ def fix
   end
 
   def showCands
+    showWindow
     #
     # 選択中の単語をキャレット位置にアンダーライン表示
     #
diff --git a/Gyaim.xcodeproj/project.pbxproj b/Gyaim.xcodeproj/project.pbxproj
index dabb47b..ff55973 100755
--- a/Gyaim.xcodeproj/project.pbxproj
+++ b/Gyaim.xcodeproj/project.pbxproj
@@ -460,7 +460,7 @@
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				PREBINDING = NO;
-				SDKROOT = "$(DEVELOPER_SDK_DIR)/MacOSX10.5.sdk";
+				SDKROOT = "$(DEVELOPER_SDK_DIR)/MacOSX10.6.sdk";
 			};
 			name = Debug;
 		};
@@ -472,7 +472,7 @@
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				PREBINDING = NO;
-				SDKROOT = "$(DEVELOPER_SDK_DIR)/MacOSX10.5.sdk";
+				SDKROOT = "$(DEVELOPER_SDK_DIR)/MacOSX10.6.sdk";
 			};
 			name = Release;
 		};