update some for issue template

.github/ISSUE_TEMPLATE/bug_report.md

@@ -7,7 +7,14 @@ assignees: inhere
 
 ---
 
+**System (please complete the following information):**
+
+ - OS: `linux` [e.g. linux, macOS]
+ - GO Version: `1.13` [e.g. `1.13`]
+ - Pkg Version: `1.1.1` [e.g. `1.1.1`]
+
 **Describe the bug**
+
 A clear and concise description of what the bug is.
 
 **To Reproduce**
@@ -17,15 +24,13 @@ A clear and concise description of what the bug is.
 ```
 
 **Expected behavior**
+
 A clear and concise description of what you expected to happen.
 
 **Screenshots**
-If applicable, add screenshots to help explain your problem.
 
-**System (please complete the following information):**
- - OS: [e.g. Linux]
- - GO version [e.g. 1.13]
- - Pkg Version [e.g. 1.1.1]
+If applicable, add screenshots to help explain your problem.
 
 **Additional context**
+
 Add any other context about the problem here.

fsutil/filesystem.go

@@ -31,6 +31,10 @@ var (
 	}
 )
 
+// var (
+// 	ReadFile = ioutil.ReadFile
+// )
+
 // FileExists reports whether the named file or directory exists.
 // Deprecated
 //  please use PathExists() or IsFile() instead it
@@ -86,6 +90,23 @@ func Mkdir(dirPath string, perm os.FileMode) error {
 	return os.MkdirAll(dirPath, perm)
 }
 
+// OpenFile like os.OpenFile, but will auto create dir.
+func OpenFile(filepath string, flag int, mode int) (*os.File, error) {
+	fileDir := path.Dir(filepath)
+
+	// if err := os.Mkdir(dir, 0777); err != nil {
+	if err := os.MkdirAll(fileDir, 0777); err != nil {
+		return nil, err
+	}
+
+	file, err := os.OpenFile(filepath, flag, os.FileMode(mode))
+	if err != nil {
+		return nil, err
+	}
+
+	return file, nil
+}
+
 // CreateFile if not exists
 // Usage:
 // 	CreateFile("path/to/file.txt", 0664, 0666)