update rpc array request

main.go

@@ -175,7 +175,7 @@ func proxyHandler(w http.ResponseWriter, r *http.Request) {
 	// Try to parse as batch request first
 	if err := json.Unmarshal(body, &reqs); err == nil {
 		// Handle batch request
-		if len(reqs) > 1 {
+		if len(reqs) > 5 {
 			req := reqs[0]
 			resp := RPCResponse{
 				Jsonrpc: req.Jsonrpc,
@@ -188,6 +188,8 @@ func proxyHandler(w http.ResponseWriter, r *http.Request) {
 			if err := json.NewEncoder(w).Encode(resp); err != nil {
 				log.Printf("encode response error: %v", err)
 			}
+		} else {
+			forwardToBackend(w, body)
 		}
 		return
 	}