fix

netflix-common/src/main/java/com/cyksj/common/util/StringUtil.java

@@ -527,7 +527,7 @@ public final class StringUtil {
 	 */
 	public static String deIndent(String ident) {
 		String front = ident.substring(0, 4);
-		String back = ident.substring(0, 4);
+		String back = ident.substring(ident.length() - 4);
 		StringBuilder sb = new StringBuilder();
 		sb.append(front).append("****").append(back);
 		return sb.toString();