diff --git a/src/flowgate/config.rs b/src/flowgate/config.rs
index 541ef05..c32385f 100644
--- a/src/flowgate/config.rs
+++ b/src/flowgate/config.rs
@@ -83,7 +83,7 @@ impl Config {
             let mut cert: Option<SslCert> = None;
             let s = s.as_mapping()?;
 
-            if s.contains_key("ssl_cert") && !s.get("ssl_cert")?.is_null() {
+            if s.contains_key("ssl_cert") {
                 cert = Some(
                     SslCert::new(
                         s.get("ssl_cert")?.as_str()?,
diff --git a/src/flowgate/server.rs b/src/flowgate/server.rs
index 5e96bbd..e225247 100644
--- a/src/flowgate/server.rs
+++ b/src/flowgate/server.rs
@@ -509,9 +509,14 @@ impl FlowgateServer {
                 }
             }
         } else {
-            let mut buf = Vec::new();
-            conn.stream.read_to_end(&mut buf).ok()?;
-            stream.write_all(&buf).ok()?;
+            let mut buf = vec![0;1024];
+            while let Ok(n) = conn.stream.read(&mut buf) {
+                if n == 0 { break }
+                buf.truncate(n);
+                stream.write_all(&buf).ok()?;
+                if n < 1024 { break }
+                buf = vec![0;1024];
+            }
         }
 
         info!("{addr} > {} {}://{}{}", status_seq[0], if https { "https" } else { "http" }, conn.host, status_seq[1]);