修改pcba的电芯电压测试

Signed-off-by: huhui <huhui@sharkgulf.com>

Application/app/pcba_test.c

@@ -148,7 +148,7 @@ int pcba_test(uint8_t *data, int len, uint8_t *response){
 		uint8_t cell_index = 0;
 		for (int i = 0; i < CELLS_NUM; i++){
 			if (measure_value()->cell_vol[i] > 3000 && measure_value()->cell_vol[i] < 3400) {
-				cell_index = i;
+				cell_index = i + 1;
 				break;
 			}
 		}