调整导入导出时的字段。

app/SH3/MacGap/SwitchHosts!-Info.plist

@@ -21,7 +21,7 @@
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>2950</string>
+	<string>2951</string>
 	<key>LSApplicationCategoryType</key>
 	<string>public.app-category.developer-tools</string>
 	<key>LSMinimumSystemVersion</key>

app/src/ie.js

@@ -16,7 +16,8 @@ var exportable_keys = {
     title: 10,
     content: 10,
     where: 1,
-    url: 1
+    url: 1,
+    refresh_interval: 1
 };
 
 var import_default = {
@@ -24,7 +25,8 @@ var import_default = {
     content: '',
     on: false,
     where: 'local',
-    url: ''
+    url: '',
+    refresh_interval: 0
 };
 
 /**