diff --git a/.gitignore b/.gitignore
index 0f182a0..970b264 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@
 *.jar
 *.war
 *.ear
+target
diff --git a/target/m2e-wtp/web-resources/META-INF/MANIFEST.MF b/target/m2e-wtp/web-resources/META-INF/MANIFEST.MF
deleted file mode 100644
index 89feb4f..0000000
--- a/target/m2e-wtp/web-resources/META-INF/MANIFEST.MF
+++ /dev/null
@@ -1,5 +0,0 @@
-Manifest-Version: 1.0
-Build-Jdk: 1.7.0_60-ea
-Built-By: lixiangrong
-Created-By: Maven Integration for Eclipse
-
diff --git a/target/m2e-wtp/web-resources/META-INF/maven/osc.git.eh3/useful-code/pom.properties b/target/m2e-wtp/web-resources/META-INF/maven/osc.git.eh3/useful-code/pom.properties
deleted file mode 100644
index 74a92c3..0000000
--- a/target/m2e-wtp/web-resources/META-INF/maven/osc.git.eh3/useful-code/pom.properties
+++ /dev/null
@@ -1,7 +0,0 @@
-#Generated by Maven Integration for Eclipse
-#Tue Jan 26 16:07:58 GMT+08:00 2016
-version=0.0.1-SNAPSHOT
-groupId=osc.git.eh3
-m2e.projectName=useful-code
-m2e.projectLocation=D\:\\workspace\\useful-code
-artifactId=useful-code
diff --git a/target/m2e-wtp/web-resources/META-INF/maven/osc.git.eh3/useful-code/pom.xml b/target/m2e-wtp/web-resources/META-INF/maven/osc.git.eh3/useful-code/pom.xml
deleted file mode 100644
index 116152f..0000000
--- a/target/m2e-wtp/web-resources/META-INF/maven/osc.git.eh3/useful-code/pom.xml
+++ /dev/null
@@ -1,21 +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/maven-v4_0_0.xsd">
-	<modelVersion>4.0.0</modelVersion>
-	<groupId>osc.git.eh3</groupId>
-	<artifactId>useful-code</artifactId>
-	<packaging>war</packaging>
-	<version>0.0.1-SNAPSHOT</version>
-	<name>useful-code Maven Webapp</name>
-	<url>http://maven.apache.org</url>
-	<dependencies>
-		<dependency>
-			<groupId>junit</groupId>
-			<artifactId>junit</artifactId>
-			<version>4.11</version>
-			<scope>test</scope>
-		</dependency>
-	</dependencies>
-	<build>
-		<finalName>useful-code</finalName>
-	</build>
-</project>