diff --git a/parent-boot-1/pom.xml b/parent-boot-1/pom.xml
index 2e9c767aa2..96f4b1cbe3 100644
--- a/parent-boot-1/pom.xml
+++ b/parent-boot-1/pom.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project
-    xmlns="http://maven.apache.org/POM/4.0.0"
+<project xmlns="http://maven.apache.org/POM/4.0.0"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
diff --git a/parent-boot-2/pom.xml b/parent-boot-2/pom.xml
index f5bf8784a9..c67842e313 100644
--- a/parent-boot-2/pom.xml
+++ b/parent-boot-2/pom.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project
-    xmlns="http://maven.apache.org/POM/4.0.0"
+<project xmlns="http://maven.apache.org/POM/4.0.0"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
diff --git a/parent-java/pom.xml b/parent-java/pom.xml
index ce79b34f57..c1abe79b2e 100644
--- a/parent-java/pom.xml
+++ b/parent-java/pom.xml
@@ -1,8 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project
-        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-        xmlns="http://maven.apache.org/POM/4.0.0"
-        xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>parent-java</artifactId>
     <version>0.0.1-SNAPSHOT</version>
diff --git a/parent-spring-4/pom.xml b/parent-spring-4/pom.xml
index 931cad374b..e0e91cec9a 100644
--- a/parent-spring-4/pom.xml
+++ b/parent-spring-4/pom.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project
-    xmlns="http://maven.apache.org/POM/4.0.0"
+<project xmlns="http://maven.apache.org/POM/4.0.0"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
diff --git a/parent-spring-5/pom.xml b/parent-spring-5/pom.xml
index 3219c504d5..b70ca2bd0f 100644
--- a/parent-spring-5/pom.xml
+++ b/parent-spring-5/pom.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project
-    xmlns="http://maven.apache.org/POM/4.0.0"
+<project xmlns="http://maven.apache.org/POM/4.0.0"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>