Update Dockerfile

Dockerfile

@@ -16,7 +16,7 @@ WORKDIR /build
 RUN apk add --no-cache git \
     && git clone https://github.com/deanxv/genspark2api.git . \
     && sed -i 's|router.Group("/v1")|router.Group("/hf/v1")|' router/api-router.go \
-    && sed -i 's|router.GET("/")|router.GET("/", func(c *gin.Context) { c.String(200, "Hello World!") })|' router/api-router.go \
+    && sed -i 's|router.GET("/")|router.GET("/", func(c *gin.Context) { if c.Request.Method == "HEAD" { c.Status(200); return }; c.String(200, "Hello World!") })|' router/api-router.go \
     &&  go mod download && go build -o /genspark2api
 
 # 使用 Alpine 镜像作为最终镜像