[SOLVED]Error compile board

I use linkit smart 7688 Duo and upload ex. code from https://labs.mediatek.com/fileMedia/download/87c801b5-d1e6-4227-9a29-b5421f2955ac (p.81)

with this code

void setup() {
Serial.begin(115200); // open serial connection to USB Serial port

Serial1.begin(57600); // open internal serial connection to MT7688AN
// in MT7688AN, this maps to device
pinMode(13, OUTPUT);
}
void loop() {
int c = Serial1.read(); // read from MT7688AN
if (c != -1) {
switch(c) {
 case '0': // turn off D13 when receiving "0"
digitalWrite(13, 0);
 break;
 case '1': // turn off D13 when receiving "1"
digitalWrite(13, 1);
 break;
}
}
}

error says

Arduino: 1.6.9 (Windows 10), Board: "LinkIt Smart 7688 Duo"

C:\Users\Phantom1\AppData\Local\Temp\arduino_modified_sketch_708974\sketch_may25a.ino: In function 'void loop()':

sketch_may25a:19: error: expected '}' at end of input

}

^

exit status 1
expected '}' at end of input

Invalid library found in C:\Users\Phantom1\Documents\Arduino\libraries\adafruit-io-basics-master: C:\Users\Phantom1\Documents\Arduino\libraries\adafruit-io-basics-master
Invalid library found in C:\Users\Phantom1\Documents\Arduino\libraries\microgear-html5-master: C:\Users\Phantom1\Documents\Arduino\libraries\microgear-html5-master
Invalid library found in C:\Users\Phantom1\Documents\Arduino\libraries\microgear-nodejs-master: C:\Users\Phantom1\Documents\Arduino\libraries\microgear-nodejs-master
Invalid library found in C:\Users\Phantom1\Documents\Arduino\libraries\rfid_buzzer: C:\Users\Phantom1\Documents\Arduino\libraries\rfid_buzzer

This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.

How to fix it ?

Your code compiles fine for a Leonardo or Mega, using 1.0.5. So, the problem isn't the code.

PaulS:
Your code compiles fine for a Leonardo or Mega, using 1.0.5. So, the problem isn't the code.

I don't understand , must i upload by choose Leonardo or Mega bord? or download arduino ide old version?

I got it ,it's worked for v.1.6.5