diff --git a/.gitignore b/.gitignore
index d1a7d0a..0a53632 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,3 +27,6 @@ target
 
 # dev tools
 .idea
+.classpath
+.project
+.settings
diff --git a/ceresdb-http/pom.xml b/ceresdb-http/pom.xml
index 1995e38..10525ad 100644
--- a/ceresdb-http/pom.xml
+++ b/ceresdb-http/pom.xml
@@ -38,5 +38,4 @@
             <artifactId>gson</artifactId>
         </dependency>
     </dependencies>
-
 </project>
diff --git a/ceresdb-protocol/src/main/java/com/ceresdb/Utils.java b/ceresdb-protocol/src/main/java/com/ceresdb/Utils.java
index a3bffae..11f0964 100644
--- a/ceresdb-protocol/src/main/java/com/ceresdb/Utils.java
+++ b/ceresdb-protocol/src/main/java/com/ceresdb/Utils.java
@@ -196,7 +196,7 @@ public static Result<WriteOk, Err> toResult(final Storage.WriteResponse resp, //
         final int failed = resp.getFailed();
 
         if (code == Result.SUCCESS) {
-            final Set<String> metrics = (rows != null && WriteOk.isCollectWroteDetail())
+            final Set<String> metrics = rows != null && WriteOk.isCollectWroteDetail()
                 ? rows.stream()
                     .map(Rows::getMetric)
                     .collect(Collectors.toSet())
diff --git a/ceresdb-rpc/pom.xml b/ceresdb-rpc/pom.xml
index c69e07d..7cabea4 100644
--- a/ceresdb-rpc/pom.xml
+++ b/ceresdb-rpc/pom.xml
@@ -16,5 +16,4 @@
         </dependency>
 
     </dependencies>
-
 </project>
diff --git a/ceresdb-sql/pom.xml b/ceresdb-sql/pom.xml
index 15ba49a..4b2c300 100644
--- a/ceresdb-sql/pom.xml
+++ b/ceresdb-sql/pom.xml
@@ -38,5 +38,4 @@
             <scope>test</scope>
         </dependency>
     </dependencies>
-
 </project>
diff --git a/pom.xml b/pom.xml
index 30f2a53..ee5d280 100644
--- a/pom.xml
+++ b/pom.xml
@@ -244,6 +244,62 @@
     </dependencyManagement>
 
     <build>
+        <pluginManagement>
+            <plugins>
+                <!--This plugin's configuration is used to store Eclipse m2e settings only. It has no influence on the Maven build itself.-->
+                <plugin>
+                    <groupId>org.eclipse.m2e</groupId>
+                    <artifactId>lifecycle-mapping</artifactId>
+                    <version>1.0.0</version>
+                    <configuration>
+                        <lifecycleMappingMetadata>
+                            <pluginExecutions>
+                                <pluginExecution>
+                                    <pluginExecutionFilter>
+                                        <groupId>com.mycila</groupId>
+                                        <artifactId>license-maven-plugin</artifactId>
+                                        <versionRange>[3.0,)</versionRange>
+                                        <goals>
+                                            <goal>remove</goal>
+                                            <goal>format</goal>
+                                        </goals>
+                                    </pluginExecutionFilter>
+                                    <action>
+                                        <ignore></ignore>
+                                    </action>
+                                </pluginExecution>
+                                <pluginExecution>
+                                    <pluginExecutionFilter>
+                                        <groupId>com.github.ekryd.sortpom</groupId>
+                                        <artifactId>sortpom-maven-plugin</artifactId>
+                                        <versionRange>[2.4.0,)</versionRange>
+                                        <goals>
+                                            <goal>sort</goal>
+                                        </goals>
+                                    </pluginExecutionFilter>
+                                    <action>
+                                        <ignore></ignore>
+                                    </action>
+                                </pluginExecution>
+                                <pluginExecution>
+                                    <pluginExecutionFilter>
+                                        <groupId>com.googlecode.maven-java-formatter-plugin</groupId>
+                                        <artifactId>maven-java-formatter-plugin</artifactId>
+                                        <versionRange>[0.4,)</versionRange>
+                                        <goals>
+                                            <goal>format</goal>
+                                        </goals>
+                                    </pluginExecutionFilter>
+                                    <action>
+                                        <ignore></ignore>
+                                    </action>
+                                </pluginExecution>
+                            </pluginExecutions>
+                        </lifecycleMappingMetadata>
+                    </configuration>
+                </plugin>
+            </plugins>
+        </pluginManagement>
         <plugins>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>