diff --git a/README.md b/README.md
index 7fcf942..aeefeb6 100644
--- a/README.md
+++ b/README.md
@@ -3,13 +3,12 @@
 #### 介绍
 idea开发合约的示例。
 
-#### 软件架构
-软件架构说明
-
 #### 配置cp 的lib
 做一个软链接，将cp-bundle的build/output 软链接到
 backend/cplibs。
 
+#### 配置grepcp.list
+用于手动指定不打包的jar。 格式为每行一个jar名。
 
 
 #### 前端sdk说明
diff --git a/backend/build.gradle b/backend/build.gradle
index ac97704..4630380 100644
--- a/backend/build.gradle
+++ b/backend/build.gradle
@@ -1,9 +1,8 @@
 buildscript {
     dependencies {
-        classpath files("buildlibs/simpleypkpacker.jar")
+        classpath files("buildlibs/simple-ypk-packer-0.3.0.jar")
     }
 }
-
 plugins {
     id 'java'
     id 'java-library'
@@ -34,8 +33,8 @@ sourceSets {
 }
 
 dependencies {
-    api 'org.apache.logging.log4j:log4j-core:2.14.1'
-    api 'org.apache.logging.log4j:log4j-api:2.14.1'
+    api 'org.apache.logging.log4j:log4j-core:2.17.2'
+    api 'org.apache.logging.log4j:log4j-api:2.17.2'
     implementation fileTree(dir: 'cplibs', include: '*.jar')
     implementation fileTree(dir: 'cplibs/lib/', include: '*.jar')
     testImplementation 'junit:junit:4.13.2'
@@ -59,24 +58,25 @@ 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"
+task copyJar(type: Copy, dependsOn: [":backend:jar", ":backend:copyLibs"]) {
+    from "./build/libs/$project.name-${project.version}.jar"
     into "./build/output"
     rename { String fileName -> "sc-example.jar" }
     doFirst {
         println "copyJar start"
     }
 }
+def reltivePath = "./backend"
+//reltivePath="."
+def currVersion = "0.1.0"
+task grepCP (dependsOn:["copyJar"]){
+    doLast {
+        org.bdware.datanet.YPKPacker.grepCPLibWithFilter("${reltivePath}/cplibs/libs","${reltivePath}/build/output/libs","${reltivePath}/grepcp.list")
+    }
+}
 
-task buildZip(type: Zip, dependsOn: ["copyAssets", "copyJar", "copyYJS"]) {
+task buildZip(type: Zip, dependsOn: ["copyAssets", "copyJar", "copyYJS","grepCP"]) {
     from './build/output/'
     duplicatesStrategy = DuplicatesStrategy.INCLUDE
     archiveFileName = 'contractexample.zip'
@@ -85,6 +85,6 @@ task buildZip(type: Zip, dependsOn: ["copyAssets", "copyJar", "copyYJS"]) {
 
 task buildYPK(dependsOn: ["buildZip"]) {
     doLast {
-        org.bdware.datanet.YPKPacker.staticPack("./backend/build/contractexample.zip", "./backend/build/contractexample.ypk")
+        org.bdware.datanet.YPKPacker.staticPack("${reltivePath}/build/contractexample.zip", "${reltivePath}/build/contractexample-${currVersion}.ypk")
     }
-}
+}
\ No newline at end of file
diff --git a/backend/buildlibs/simple-ypk-packer-0.3.0.jar b/backend/buildlibs/simple-ypk-packer-0.3.0.jar
new file mode 100644
index 0000000..ea9fb08
Binary files /dev/null and b/backend/buildlibs/simple-ypk-packer-0.3.0.jar differ
diff --git a/backend/grepcp.list b/backend/grepcp.list
new file mode 100644
index 0000000..2a31198
--- /dev/null
+++ b/backend/grepcp.list
@@ -0,0 +1,3 @@
+log4j-core-2.14.1.jar
+log4j-api-2.14.1.jar
+yjs.jar
\ No newline at end of file