diff --git a/README.md b/README.md
index 61d62e0..73626df 100644
--- a/README.md
+++ b/README.md
@@ -109,11 +109,11 @@ host = "0.0.0.0"
 port = 5000
 # Github文件大小限制（字节），默认2GB
 fileSize = 2147483648
-# HTTP/2 多路复用
+# HTTP/2 多路复用，提升下载速度
 enableH2C = false
 
 [rateLimit]
-# 每个IP每小时允许的请求数(注意Docker镜像会有多个层，会消耗多个次数)
+# 每个IP每周期允许的请求数(注意Docker镜像会有多个层，会消耗多个次数)
 requestLimit = 500
 # 限流周期（小时）
 periodHours = 3.0
diff --git a/src/config.toml b/src/config.toml
index f7d4c08..18e8c2d 100644
--- a/src/config.toml
+++ b/src/config.toml
@@ -8,7 +8,7 @@ fileSize = 2147483648
 enableH2C = false
 
 [rateLimit]
-# 每个IP每小时允许的请求数(注意Docker镜像会有多个层，会消耗多个次数)
+# 每个IP每周期允许的请求数
 requestLimit = 500
 # 限流周期（小时）
 periodHours = 3.0
diff --git a/src/handlers/github.go b/src/handlers/github.go
index e29f174..2fb6cbb 100644
--- a/src/handlers/github.go
+++ b/src/handlers/github.go
@@ -20,7 +20,7 @@ var (
 		regexp.MustCompile(`^(?:https?://)?github\.com/([^/]+)/([^/]+)/(?:blob|raw)/.*`),
 		regexp.MustCompile(`^(?:https?://)?github\.com/([^/]+)/([^/]+)/(?:info|git-).*`),
 		regexp.MustCompile(`^(?:https?://)?raw\.github(?:usercontent|)\.com/([^/]+)/([^/]+)/.+?/.+`),
-		regexp.MustCompile(`^(?:https?://)?gist\.github(?:usercontent|)\.com/([^/]+)/.+?/.+`),
+		regexp.MustCompile(`^(?:https?://)?gist\.(?:githubusercontent|github)\.com/(.+?)/(.+?)/.+\.[a-zA-Z0-9]+$`),
 		regexp.MustCompile(`^(?:https?://)?api\.github\.com/repos/([^/]+)/([^/]+)/.*`),
 		regexp.MustCompile(`^(?:https?://)?huggingface\.co(?:/spaces)?/([^/]+)/(.+)`),
 		regexp.MustCompile(`^(?:https?://)?cdn-lfs\.hf\.co(?:/spaces)?/([^/]+)/([^/]+)(?:/(.*))?`),