diff --git a/config/config.go b/config/config.go
index 008a5ef..c5b8aa0 100644
--- a/config/config.go
+++ b/config/config.go
@@ -174,12 +174,10 @@ type OutboundConfig struct {
 [docker]
 enabled = false
 target = "ghcr" # ghcr/dockerhub
-customTarget = "" # 自定义host(不带协议头)
 */
 type DockerConfig struct {
-	Enabled      bool   `toml:"enabled"`
-	Target       string `toml:"target"`
-	CustomTarget string `toml:"customTarget"`
+	Enabled bool   `toml:"enabled"`
+	Target  string `toml:"target"`
 }
 
 // LoadConfig 从 TOML 配置文件加载配置
diff --git a/config/config.toml b/config/config.toml
index b72c538..ca7b80a 100644
--- a/config/config.toml
+++ b/config/config.toml
@@ -70,5 +70,4 @@ url = "socks5://127.0.0.1:1080" # "http://127.0.0.1:7890"
 
 [docker]
 enabled = false
-target = "ghcr" # ghcr/dockerhub
-customTarget = "" # 自定义host(不带协议头)
\ No newline at end of file
+target = "ghcr" # ghcr/dockerhub
\ No newline at end of file
diff --git a/proxy/docker.go b/proxy/docker.go
index 0c805f5..cdfc743 100644
--- a/proxy/docker.go
+++ b/proxy/docker.go
@@ -14,17 +14,17 @@ import (
 func GhcrRouting(cfg *config.Config) app.HandlerFunc {
 	return func(ctx context.Context, c *app.RequestContext) {
 		if cfg.Docker.Enabled {
-			if cfg.Docker.CustomTarget == "" {
-				if cfg.Docker.Target == "ghcr" {
-					GhcrRequest(ctx, c, "https://ghcr.io"+string(c.Request.RequestURI()), cfg, "ghcr")
-				} else if cfg.Docker.Target == "dockerhub" {
-					GhcrRequest(ctx, c, "https://registry-1.docker.io"+string(c.Request.RequestURI()), cfg, "dockerhub")
-				} else {
-					ErrorPage(c, NewErrorWithStatusLookup(403, "Docker Target is not Allowed"))
-					return
-				}
+			if cfg.Docker.Target == "ghcr" {
+				GhcrRequest(ctx, c, "https://ghcr.io"+string(c.Request.RequestURI()), cfg, "ghcr")
+			} else if cfg.Docker.Target == "dockerhub" {
+				GhcrRequest(ctx, c, "https://registry-1.docker.io"+string(c.Request.RequestURI()), cfg, "dockerhub")
+			} else if cfg.Docker.Target != "" {
+				// 自定义taget
+				GhcrRequest(ctx, c, "https://"+cfg.Docker.Target+string(c.Request.RequestURI()), cfg, "custom")
 			} else {
-				GhcrRequest(ctx, c, "https://"+cfg.Docker.CustomTarget+string(c.Request.RequestURI()), cfg, "custom")
+				// 配置为空
+				ErrorPage(c, NewErrorWithStatusLookup(403, "Docker Target is not set"))
+				return
 			}
 
 		} else {