c语言的fopen打不开文件？

Question

问题如题
代码如下

# #define _CRT_SECURE_NO_WARNINGS

# #include

#

# void main()

# {

# FILE *fp = NULL;

# wchar_t jian[500];

# printf("到这里");

# fp = fopen("D:\\vsObject\\test1\\test1\\all.txt", "a");

# if (fp == NULL)

# {

# printf("读取失败");

# }

# else

# {

# fgets(jian, 60000, (FILE*)fp);

# fclose(fp);

# for (int i = 0; i < sizeof(jian); i++)

# {

# printf(jian[i]);

# }

# }

# }

##
错误如下

文件路径如下