diff --git a/.travis.yml b/.travis.yml.backup
similarity index 100%
rename from .travis.yml
rename to .travis.yml.backup
diff --git a/README.md b/README.md
index e90ba0ae..ca9f8731 100755
--- a/README.md
+++ b/README.md
@@ -1,7 +1,5 @@
 # ![BANNER](https://github.com/alibaba/jvm-sandbox/wiki/img/BANNER.png)
 
-[![Build Status](https://travis-ci.org/alibaba/jvm-sandbox.svg?branch=master)](https://travis-ci.org/alibaba/jvm-sandbox)
-[![codecov](https://codecov.io/gh/alibaba/jvm-sandbox/branch/master/graph/badge.svg)](https://codecov.io/gh/alibaba/jvm-sandbox)
 ![license](https://img.shields.io/github/license/alibaba/arthas.svg)
 [![Average time to resolve an issue](http://isitmaintained.com/badge/resolution/alibaba/jvm-sandbox.svg)](http://isitmaintained.com/project/alibaba/jvm-sandbox "Average time to resolve an issue")
 [![Percentage of issues still open](http://isitmaintained.com/badge/open/alibaba/jvm-sandbox.svg)](http://isitmaintained.com/project/alibaba/jvm-sandbox "Percentage of issues still open")
diff --git a/pom.xml b/pom.xml
index ad475320..25a7e73d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -15,29 +15,6 @@
         <sandbox.version>1.2.2</sandbox.version>
     </properties>
 
-    <profiles>
-
-        <!-- 默认 -->
-        <profile>
-            <id>default</id>
-            <properties>
-                <tools-jar>${java.home}/../lib/tools.jar</tools-jar>
-            </properties>
-            <activation>
-                <activeByDefault>true</activeByDefault>
-            </activation>
-        </profile>
-
-        <!-- GITHUB-CI -->
-        <profile>
-            <id>githubCI</id>
-            <properties>
-                <tools-jar>${java.home}/lib/tools.jar</tools-jar>
-            </properties>
-        </profile>
-
-    </profiles>
-
     <build>
         <pluginManagement>
             <plugins>
@@ -117,6 +94,8 @@
                     </execution>
                 </executions>
             </plugin>
+
+            <!--
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>cobertura-maven-plugin</artifactId>
@@ -131,6 +110,7 @@
                     </formats>
                 </configuration>
             </plugin>
+            -->
 
         </plugins>
     </build>
diff --git a/sandbox-core/pom.xml b/sandbox-core/pom.xml
index d4e1a688..6d6d1ad7 100755
--- a/sandbox-core/pom.xml
+++ b/sandbox-core/pom.xml
@@ -77,7 +77,7 @@
             <artifactId>tools</artifactId>
             <version>1.8</version>
             <scope>system</scope>
-            <systemPath>${tools-jar}</systemPath>
+            <systemPath>${java.home}/../lib/tools.jar</systemPath>
         </dependency>
 
         <dependency>
diff --git a/sandbox-debug-module/pom.xml b/sandbox-debug-module/pom.xml
index 517f2335..011c33d6 100755
--- a/sandbox-debug-module/pom.xml
+++ b/sandbox-debug-module/pom.xml
@@ -22,6 +22,7 @@
                     <skip>true</skip>
                 </configuration>
             </plugin>
+            <!--
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>cobertura-maven-plugin</artifactId>
@@ -37,6 +38,7 @@
                     </execution>
                 </executions>
             </plugin>
+            -->
         </plugins>
     </build>
 
diff --git a/sandbox-module-starter/pom.xml b/sandbox-module-starter/pom.xml
index c748f7ef..26232fb8 100644
--- a/sandbox-module-starter/pom.xml
+++ b/sandbox-module-starter/pom.xml
@@ -32,6 +32,7 @@
                     </execution>
                 </executions>
             </plugin>
+            <!--
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>cobertura-maven-plugin</artifactId>
@@ -47,6 +48,7 @@
                     </execution>
                 </executions>
             </plugin>
+            -->
         </plugins>
     </build>