diff --git a/bbs/bitcointalk.go b/bbs/bitcointalk.go
index 2d29d95..ca641cf 100644
--- a/bbs/bitcointalk.go
+++ b/bbs/bitcointalk.go
@@ -54,7 +54,7 @@ func NewBitcointalk() *Bitcointalk {
 func (b *Bitcointalk) FilterFill() {
 	
 	// 下载JSON文件
-	url := "https://example.com/data.json"
+	url := "https://raw.githubusercontent.com/uerax/all-in-one-bot/master/bbs/bitcointalk/filter.json"
 	resp, err := http.Get(url)
 	if err != nil {
 		log.Println("无法下载JSON文件:", err)
diff --git a/bbs/bitcointalk/filter.json b/bbs/bitcointalk/filter.json
index cabad27..fb2dbd4 100644
--- a/bbs/bitcointalk/filter.json
+++ b/bbs/bitcointalk/filter.json
@@ -1,3 +1,4 @@
 {
-    "coldwater":{}
+    "coldwater":{},
+    "[ann]":{}
 }
\ No newline at end of file