improve: 404 status code

script/patch/gin-context.patch

@@ -0,0 +1,11 @@
+@@ -1073,6 +1073,10 @@
+ // File writes the specified file into the body stream in an efficient way.
+ func (c *Context) File(filepath string) {
+ 	http.ServeFile(c.Writer, c.Request, filepath)
++}
++
++func (c *Context) FileWithCustomStatusCode(filepath string, statusCode int) {
++	http.ServeFileWithCustomStatusCode(c.Writer, c.Request, filepath, statusCode)
+ }
+ 
+ // FileFromFS writes the specified file from http.FileSystem into the body stream in an efficient way.