diff --git a/backend/.gitignore b/backend/.gitignore
index 2643730..cb46321 100644
--- a/backend/.gitignore
+++ b/backend/.gitignore
@@ -1,5 +1,7 @@
 /.DS_Store/
 /build/
+/ContractDB/
+debugconf.json
 /cplibs/
 cplibs
 # Compiled class file
@@ -25,3 +27,4 @@ cplibs
 
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
+deployconfig.json
\ No newline at end of file
diff --git a/backend/build.gradle b/backend/build.gradle
index 291af35..4b46368 100644
--- a/backend/build.gradle
+++ b/backend/build.gradle
@@ -6,6 +6,8 @@ buildscript {
     dependencies {
         classpath "org.bdware.bdcontract:simple-ypk-packer:0.3.0"
         classpath "org.bdware.bdcontract:ypk-deploy-tool:0.4.0"
+        classpath 'org.apache.logging.log4j:log4j-core:2.17.2'
+        classpath 'org.apache.logging.log4j:log4j-api:2.17.2'
     }
 }
 
@@ -39,15 +41,24 @@ sourceSets {
 }
 
 dependencies {
-//    api 'org.apache.logging.log4j:log4j-core:2.14.1'
-//    api 'org.apache.logging.log4j:log4j-api:2.14.1'
     implementation fileTree(dir: 'cplibs', include: '*.jar')
-//    implementation fileTree(dir: 'cplibs/lib/', include: '*.jar')
+    implementation fileTree(dir: 'cplibs/libs/', include: '*.jar')
     testImplementation 'junit:junit:4.13.2'
 //    api project(":datanet-search-engine-backend")
     implementation 'org.postgresql:postgresql:42.3.1'
 }
 
+//task copyLibs(type: Copy) {
+//    from configurations.runtimeClasspath
+//    into "./build/output/libs/"
+//}
+def reltivePath = "./backend"
+task grepCP(dependsOn: ["copyLibs"]) {
+    doLast {
+        org.bdware.datanet.YPKPacker.grepCPLibWithFilter("${reltivePath}/cplibs/libs", "${reltivePath}/build/output/libs", "${reltivePath}/grepcp.list")
+    }
+}
+
 //task copyLibs(type: Copy) {
 //    from configurations.runtimeClasspath
 //    into "./build/output/libs/"
@@ -74,37 +85,32 @@ task copyAssets(type: Copy) {
     from "../front"
     into "./build/output/assets/"
 }
-task mergeJar(dependsOn: ["sourcesJar", "jar"]) {
-    doLast {
-        org.bdware.datanet.YPKPacker.mergeJar("./backend/build/libs/$project.name-${project.version}.jar",
-                "./backend/build/libs/$project.name-${project.version}-sources.jar",
-                "./backend/build/libs/$project.name-${project.version}-all.jar")
-    }
-}
 
-task copyJar(type: Copy, dependsOn: ["mergeJar", ":backend:copyLibs"]) {
-    from "./build/libs/$project.name-${project.version}-all.jar"
-    into "./build/output"
-    rename { String fileName -> "sc-example.jar" }
+def currVersion = "0.0.4"
+task copyJar(type: Copy, dependsOn: [":backend:copyLibs",":backend:jar"]) {
+    from "./build/libs/$project.name-${project.version}.jar"
+    into "./build/output/libs"
+    rename { String fileName -> "registry-${currVersion}.jar" }
     doFirst {
         println "copyJar start"
     }
 }
 
-task buildZip(type: Zip, dependsOn: ["copyAssets", "copyJar", "copyYJS"]) {
+task buildZip(type: Zip, dependsOn: ["copyAssets", "copyJar", "copyYJS", "grepCP"]) {
     from './build/output/'
     duplicatesStrategy = DuplicatesStrategy.INCLUDE
     archiveFileName = 'registry.zip'
     destinationDirectory = file('build/')
 }
-def currVersion = "0.0.1"
+
 task buildYPK(dependsOn: ["buildZip"]) {
     doLast {
-        org.bdware.datanet.YPKPacker.staticPack("./backend/build/registry.zip", "./backend/build/registry${currVersion}.ypk")
+        org.bdware.datanet.YPKPacker.staticPack("./backend/build/registry.zip", "./backend/build/registry-${currVersion}.ypk")
     }
 }
 
-task deploy(dependsOn: ["buildYPK"]){
+
+task deploy(dependsOn: ["buildYPK"]) {
     doLast {
         org.bdware.ypkdeploy.HTTPTool.batchRun("./backend/deployconfig.json", true)
     }
diff --git a/backend/debugconf.json b/backend/debugconf.json
new file mode 100755
index 0000000..30417e7
--- /dev/null
+++ b/backend/debugconf.json
@@ -0,0 +1,16 @@
+{
+  "agentHttpAddr": "127.0.0.1:18000",
+  "privKey": "589d94ee5688358a1c5c18430dd9c75097ddddebf769f139da36a807911d20f8",
+  "pubKey": "04d1924329f72ced148f6f333fb985ccbaa31b1e3aacf10be5f43d4a4ff5ad88899a005e79e37fc06993e1d66ada8cf8b711cb36f59538bb7d3e39e70fa9360ddd",
+  "script": "./build/registry-0.0.1.ypk",
+  "killContract": "Registry",
+  "createParam": {
+    "privateKey": "4616ff0e2a4f982364914f9be30b51c6bc6ccb6602114a9ee8792f2ccf67465b",
+    "publicKey": "04f9b9b8f324908464f78a6235e2dd93e4dfdaf045e9b1b5cfd57374516cc61a79a86fc2b42d3321a5b49a0f25381a7bed61901b40b729f72354e716673d551e98",
+    "registerID": "DBTest.test.test/registry",
+    "auditURI": "tcp://127.0.0.1:2051",
+    "DBUrl": "jdbc:postgresql://iodlog.demo.internetapi.cn:5432/iodlog?useServerPrepStmts=true",
+    "username": "iodlog",
+    "password": "iodlog1107"
+  }
+ }
\ No newline at end of file
diff --git a/backend/grepcp.list b/backend/grepcp.list
new file mode 100755
index 0000000..a481ccb
--- /dev/null
+++ b/backend/grepcp.list
@@ -0,0 +1 @@
+yjs.jar
\ No newline at end of file
diff --git a/backend/src/main/java/org/bdware/sc/registry/Hello.java b/backend/src/main/java/org/bdware/sc/registry/Hello.java
old mode 100644
new mode 100755
diff --git a/backend/src/main/java/org/bdware/sc/registry/RegistryDB.java b/backend/src/main/java/org/bdware/sc/registry/RegistryDB.java
index 7f071c2..f0b644a 100644
--- a/backend/src/main/java/org/bdware/sc/registry/RegistryDB.java
+++ b/backend/src/main/java/org/bdware/sc/registry/RegistryDB.java
@@ -4,7 +4,6 @@ import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import org.bdware.sc.engine.JSONTool;
 import wrp.jdk.nashorn.api.scripting.ScriptObjectMirror;
-
 import java.sql.SQLException;
 import java.util.HashMap;
 import java.util.Map;
@@ -17,12 +16,13 @@ public class RegistryDB {
       DBConnector.url = jsonData.get("DBUrl").getAsString();
       DBConnector.password = jsonData.get("password").getAsString();
       DBConnector.userName = jsonData.get("username").getAsString();
+      DBConnector.init();
       DBConnector.connect();
 
       Map<String, Object> item = new HashMap<>();
       item.put("pubkey", requester);
       item.put("type", "admin");
-      item.put("username", "admin");
+      item.put("username", jsonData.get("adminName").getAsString());
       DBConnector.insert("registry", "user", item);
     } catch (Exception e) {
       e.printStackTrace();
diff --git a/backend/src/test/java/StartRegistry.java b/backend/src/test/java/StartRegistry.java
new file mode 100644
index 0000000..4e373e9
--- /dev/null
+++ b/backend/src/test/java/StartRegistry.java
@@ -0,0 +1,7 @@
+import org.bdware.sc.debugger.DebugMain;
+
+public class StartRegistry {
+    public static void main(String[] args){
+        DebugMain.main(args);
+    }
+}
diff --git a/backend/yjs/main.yjs b/backend/yjs/main.yjs
old mode 100644
new mode 100755
diff --git a/backend/yjs/manifest.json b/backend/yjs/manifest.json
old mode 100644
new mode 100755