diff --git a/build.gradle b/build.gradle
index a3f71e9..34bcf13 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,10 +1,14 @@
 plugins {
     id 'java'
     id 'java-library'
-    id 'application'
+    //id 'application'
+    id 'com.github.johnrengelman.shadow' version '4.0.2'
+    id 'maven-publish'
+    id 'signing'
 }
 
-mainClassName = 'org.bdware.sc.ContractProcess'
+
+//mainClassName = 'org.bdware.sc.ContractProcess'
 repositories {
     mavenLocal()
     mavenCentral()
@@ -41,21 +45,29 @@ dependencies {
     implementation 'com.sun.mail:javax.mail:1.6.2'
     implementation 'com.squareup.okhttp3:okhttp:4.9.1'
     implementation 'org.bdware.bdcontract:sdk-java:1.0.0'
-    implementation 'org.bdware.doip:doip-audit-tool:0.9.3'
-    api fileTree(dir: 'lib', include: '*.jar')
-
+    implementation 'org.bdware.doip:doip-audit-tool:0.9.4'
+    compile fileTree(dir: 'lib', include: '*.jar')
     testImplementation 'junit:junit:4.13.2'
 }
 
+task classJar(type: Jar, dependsOn: classes) {
+    classifier = "jar"
+}
+//jar {
+//    classifier = ""
+//}
+
 jar {
     String libs = ''
     configurations.runtimeClasspath.each {
         libs = libs + " libs/" + it.name
     }
-
+    from {
+        configurations.compile.collect { it.isDirectory() ? it : zipTree(it) }
+    }
     manifest {
         attributes 'Manifest-Version': project.version
-        attributes 'Main-Class': mainClassName
+        //  attributes 'Main-Class': mainClassName
         attributes 'Class-Path': libs
     }
 }
@@ -78,4 +90,89 @@ task buildBundle(dependsOn: [":cp:copyLibs", ":cp:copyJar"]) {
     doLast {
         println "buildBundle in ./build/output/ successfully"
     }
+}
+
+
+task sourceJar(type: Jar, dependsOn: classes) {
+    archiveClassifier = "sources"
+    classifier = "sources"
+    from sourceSets.main.allSource
+}
+tasks.withType(Javadoc) {
+    options.addStringOption('Xdoclint:none', '-quiet')
+}
+
+task javadocJar(type: Jar, dependsOn: javadoc) {
+    archiveClassifier = 'javadoc'
+    classifier = "javadoc"
+    exclude {
+        details -> details.file.getAbsolutePath().contains("/gm/")
+    }
+    from javadoc.destinationDir
+}
+//shadowJar {
+//    classifier = "jar"
+//    dependencies {
+//        include(dependency(fileTree(dir: 'lib', include: '*.jar')))
+////        exclude(dependency('com.google.code.gson:gson:2.8.6'))
+////        relocate 'com.google.code.gson', 'irs.com.google.code.gson'
+//    }
+//}
+
+publishing {
+    publications {
+        mavenJava(MavenPublication) {
+            groupId project.group
+            artifactId "cp"
+            version "${version}"
+            from components.java
+            artifact sourceJar
+            artifact javadocJar
+            artifact classJar
+            pom {
+                name = "bdware-cp"
+                description = "cp"
+                url = "https://gitee.com/BDWare/cp"
+                licenses {
+                    license {
+                        name = "GPL v2"
+                        url = "https://www.gnu.org/licenses/old-licenses/gpl-2.0.txt"
+                    }
+                }
+                developers {
+                    developer {
+                        id = "dataware"
+                        email = "caihq@pku.edu.cn"
+                    }
+                }
+                scm {
+                    connection = "scm:git:https://gitee.com/BDWare/cp.git"
+                    developerConnection = "scm:git:https://gitee.com/BDWare/cp.git"
+                    url = "https://gitee.com/BDWare/cp"
+                }
+            }
+
+        }
+    }
+    repositories {
+        maven {
+            name 'bdwareSnapshotRepository'
+            url 'https://oss.sonatype.org/content/repositories/snapshots'
+            credentials {
+                username = "${NEXUS_USERNAME}"
+                password = "${NEXUS_PASSWORD}"
+            }
+        }
+        maven {
+            name 'bdwareRepository'
+            url 'https://oss.sonatype.org/service/local/staging/deploy/maven2'
+            credentials {
+                username = "${NEXUS_USERNAME}"
+                password = "${NEXUS_PASSWORD}"
+            }
+        }
+    }
+}
+signing {
+    sign publishing.publications.mavenJava
 }
\ No newline at end of file
diff --git a/src/main/debugger/org/bdware/sc/debugger/DebugMain.java b/src/main/debugger/org/bdware/sc/debugger/DebugMain.java
index 0fc7062..c7792f3 100644
--- a/src/main/debugger/org/bdware/sc/debugger/DebugMain.java
+++ b/src/main/debugger/org/bdware/sc/debugger/DebugMain.java
@@ -2,8 +2,8 @@ package org.bdware.sc.debugger;
 
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
-import org.apache.log4j.LogManager;
-import org.apache.log4j.Logger;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
 import org.bdware.client.SmartContractClient;
 import org.bdware.sc.ContractProcess;
 import org.bdware.sc.bean.Contract;
diff --git a/src/main/java/org/bdware/sc/engine/JSONTool.java b/src/main/java/org/bdware/sc/engine/JSONTool.java
index 8ba4f1f..cccf9f9 100644
--- a/src/main/java/org/bdware/sc/engine/JSONTool.java
+++ b/src/main/java/org/bdware/sc/engine/JSONTool.java
@@ -133,7 +133,7 @@ public class JSONTool {
             recorded.add(arr);
             JsonObject jsonObject = new JsonObject();
             for (Object k : arr.keySet()) {
-                jsonObject.add(k.toString(), convertMirrorToJsonInternal(k, recorded));
+                jsonObject.add(k.toString(), convertMirrorToJsonInternal(arr.get(k), recorded));
             }
             return jsonObject;
         } else if (obj.getClass() == jdk.internal.dynalink.beans.StaticClass.class) {