del serial output

src/main.cpp

@@ -259,29 +259,26 @@ void setup(void){
 
   server.on("/update", HTTP_POST, []() {
     server.sendHeader("Connection", "close");
-    server.send(200, "text/plain", (Update.hasError()) ? "FAIL" : "OK");
+    server.send(200, "text/plain", (Update.hasError()) ? "{\"code\":1,\"message\":\"fail\"}" : "{\"code\":0,\"message\":\"success\"}");
     ESP.restart();
   }, []() {
     HTTPUpload& upload = server.upload();
     if (upload.status == UPLOAD_FILE_START) {
-      Serial.setDebugOutput(true);
       WiFiUDP::stopAll();
-      Serial.printf("Update: %s\n", upload.filename.c_str());
       uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
       if (!Update.begin(maxSketchSpace)) { //start with max available size
-        Update.printError(Serial);
+
       }
     } else if (upload.status == UPLOAD_FILE_WRITE) {
       if (Update.write(upload.buf, upload.currentSize) != upload.currentSize) {
-        Update.printError(Serial);
+
       }
     } else if (upload.status == UPLOAD_FILE_END) {
       if (Update.end(true)) { //true to set the size to the current progress
-        Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
+
       } else {
-        Update.printError(Serial);
+
       }
-      Serial.setDebugOutput(false);
     }
     yield();
   });