加载字数选项

优化数据保存类型，方便未来按字数过滤
根据选项自动决定是否加载正文

app/src/main/res/values/strings.xml

@@ -1102,4 +1102,6 @@
     <string name="only_latest_backup_t">仅保留最新备份</string>
     <string name="only_latest_backup_s">本地备份仅保留最新备份文件</string>
     <string name="webdav_application_authorization_error">Fail to authorize WebDav application</string>
+    <string name="respondTime">respondTime: %1$d ms</string>
+    <string name="load_word_count">Load word count</string>
 </resources>