Need help fixing code please

[anon57585045]

where is the '{' here?

}

// PWM specification setting
TCCR1A = 0b00100001;
TCCR1B = 0b00010001;//分周比1

// PWM setting
OCR1A = (unsigned int)(8000000 / frq );

//for development
//  Serial.begin(9600);
}