diff --git a/protocol/src/test/java/com/zfoo/protocol/util/DomUtilsTest.java b/protocol/src/test/java/com/zfoo/protocol/util/DomUtilsTest.java
index 615f3caa..c1873f7e 100644
--- a/protocol/src/test/java/com/zfoo/protocol/util/DomUtilsTest.java
+++ b/protocol/src/test/java/com/zfoo/protocol/util/DomUtilsTest.java
@@ -22,23 +22,23 @@ public class DomUtilsTest {
private static final String XML_WITH_HEAD = "\n" +
"\n" +
"\n" +
- " \n" +
+ " \n" +
" \n" +
" \n" +
" \n" +
"\n" +
- " \n" +
+ " \n" +
" \n" +
" \n" +
"";
private static final String XML_OF_STANDARD_TEXT = "\n" +
- " \n" +
+ " \n" +
" \n" +
" \n" +
" \n" +
"\n" +
- " \n" +
+ " \n" +
" \n" +
" \n" +
"";