in src/main/java/com/aliyun/tea/logging/DefaultLogger.java [220:239]
private void log(String levelName, String message, Throwable t) {
String dateTime = getFormattedDate();
String threadName = Thread.currentThread().getName();
StringBuilder stringBuilder = new StringBuilder();
stringBuilder
.append(dateTime)
.append(OPEN_BRACKET)
.append(threadName)
.append(CLOSE_BRACKET)
.append(OPEN_BRACKET)
.append(levelName)
.append(CLOSE_BRACKET)
.append(WHITESPACE)
.append(classPath)
.append(HYPHEN)
.append(message)
.append(System.lineSeparator());
writeWithThrowable(stringBuilder, t);
}