diff --git a/file/index.go b/file/index.go
new file mode 100644
index 0000000..445e34e
--- /dev/null
+++ b/file/index.go
@@ -0,0 +1,20 @@
+package file
+
+import (
+	"os"
+)
+
+// 判断日志文件是否存在
+func LogFileExists(path string, name string) *os.File {
+	var filePath string = path
+	if filePath != "" {
+		logFile, _ := os.OpenFile(filePath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
+		logFile.Close()
+		return logFile
+	} else {
+		filePath = "/log/" + name + ".log"
+		logFile, _ := os.OpenFile(filePath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
+		logFile.Close()
+		return logFile
+	}
+}