diff --git a/.gitignore b/.gitignore
index 2861dde..c0b7c40 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,5 @@ node_modules
# æºæ–‡ä»¶çš„一些处ç†
dist
+
+.DS_Store
\ No newline at end of file
diff --git a/README.md b/README.md
index 316d031..4d3c323 100644
--- a/README.md
+++ b/README.md
@@ -73,6 +73,7 @@
* [jsPDF](https://github.com/MrRio/jsPDF) 在æµè§ˆå™¨ç«¯ç”Ÿæˆ pdf。
* [pdfkit](http://pdfkit.org/)
* [compass.js](http://ai.github.io/compass.js/) 指å—针。åªæœ‰åœ¨æ‰‹æœºæµè§ˆå™¨ä¸Šæ‰èƒ½ç”¨ã€‚
+* [ä¸å›½è¡Œæ”¿åŒºåŸŸæ•°æ®](https://github.com/airyland/china-area-data)
## æµè§ˆå™¨å¢žå¼ºç±»
### 让一些旧æµè§ˆå™¨å˜ç‰›é€¼çš„库