Change function Download module and format type print log

file/file.go

@@ -67,13 +67,16 @@ func Write_log(msg string, path string) {
 
 	}
 	defer file.Close()
-
+	_, err = file.WriteString("[")
+	if IsError(err) {
+		////return
+	}
 	_, err = file.WriteString(time.Now().String())
 	if IsError(err) {
 		////return
 	}
 	// write some text line-by-line to file
-	_, err = file.WriteString("\n")
+	_, err = file.WriteString("] : ")
 	if IsError(err) {
 		////return
 	}