DS1302.H(12): error C129: missing ';' before '{'

#ifndef _REAL_TIMER_DS1302
#define _REAL_TIMER_DS1302
sbit DS1302_CLK = P3^1; //实时时钟时钟线引脚
sbit DS1302_IO = P3^2; //实时时钟数据线引脚
sbit DS1302_RST = P3^0; //实时时钟复位线引脚
sbit ACC0 = ACC^0;
sbit ACC7 = ACC^7;

typedef struct_SYSTEMTIME
{

unsigned char Second;
unsigned char Minute;
unsigned char Hour;
unsigned char Day;
unsigned char Month;
unsigned char Year;
unsigned char DateString[9];
unsigned char TimeString[9];
}SYSTEMTIME;

typedef struct _SYSTEMTIME //问题在这，将struct和_SYSTEMTIME之间架一个空格
{

unsigned char Second;
unsigned char Minute;
unsigned char Hour;
unsigned char Day;
unsigned char Month;
unsigned char Year;
unsigned char DateString[9];
unsigned char TimeString[9];
}SYSTEMTIME;

typedef struct_systemtime struct与_systemtime中间少个空格