报错切片越界

per = make(map[string]interface{}) f, _ := os.Open("D:\\GoPoject\\initype\\src\\ini\\gconfig.ini") buf := bufio.NewReader(f) for { l, err := buf.ReadString('\n') line := strings.TrimSpace(l) if err != nil { if err != io.EOF { } if len(line) == 0 { break } } switch { case len(line) == 0: case line[0] == '[' && line[len(line)-1] == ']': section := strings.TrimSpace(line[1 : len(line)-1]) fmt.Println(section) default: i := strings.IndexAny(line, "=") per[strings.TrimSpace(line[0:i])] = strings.TrimSpace(line[i+1:]) } } for k, v := range per { fmt.Println(k, v) } 报错panic: runtime error: slice bounds out of range