update max size

src/main.rs

@@ -40,7 +40,7 @@ mod forwarded_list;
 #[cfg(feature="trust-x-forwarded-for")]
 use forwarded_list::XForwardedFor;
 
-const MAX_CONTENT_LENGTH: u64 = 1024 * 16;
+const MAX_CONTENT_LENGTH: u64 = 1024 * 1024 * 4; //4MB
 const MAX_GEN_SIZE: usize = 256;
 
 #[derive(Debug)]