diff --git a/cpp/CMakeLists.txt b/cpp/CMakeLists.txt
index 45d13348..67650d29 100644
--- a/cpp/CMakeLists.txt
+++ b/cpp/CMakeLists.txt
@@ -89,17 +89,6 @@ set(ALL_SOURCE_LIST
         wedpr-computing/ppc-psi wedpr-computing/ppc-mpc wedpr-computing/ppc-pir ${CEM_SOURCE}
         wedpr-initializer wedpr-main)
 
-if(BUILD_WEDPR_TOOLKIT)
-    # fetch the python dependencies
-    option(FETCH_PYTHON_DEPS "Install python required modules if not available" ON)
-    message(STATUS "Python fetch dependencies: ${FETCH_PYTHON_DEPS}")
-    if(WIN32)
-        message(STATUS "Getting SWIG for Windows: ...")
-        include(swig)
-        message(STATUS "Getting SWIG for Windows: ...DONE")
-    endif()
-endif()
-
 if(BUILD_ALL)
     add_sources("${ALL_SOURCE_LIST}")
 elseif(BUILD_UDF)
diff --git a/cpp/wedpr-transport/sdk-wrapper/CMakeLists.txt b/cpp/wedpr-transport/sdk-wrapper/CMakeLists.txt
index 08c97539..e1d6cf3d 100644
--- a/cpp/wedpr-transport/sdk-wrapper/CMakeLists.txt
+++ b/cpp/wedpr-transport/sdk-wrapper/CMakeLists.txt
@@ -6,6 +6,9 @@ include(${SWIG_USE_FILE})
 # Add subdirectories for each language if desired
 option(BUILD_PYTHON "Build Python SWIG module" ON)
 if(BUILD_PYTHON)
+    # fetch the python dependencies
+    option(FETCH_PYTHON_DEPS "Install python required modules if not available" ON)
+    message(STATUS "Python fetch dependencies: ${FETCH_PYTHON_DEPS}")
     include(python)
     add_subdirectory(python)
 endif()
@@ -13,6 +16,5 @@ endif()
 # Add subdirectories for each language if desired
 option(BUILD_JAVA "Build JAVA SWIG module" ON)
 if(BUILD_JAVA)
-    include(java)
     add_subdirectory(java)
 endif()
diff --git a/cpp/wedpr-transport/sdk-wrapper/java/CMakeLists.txt b/cpp/wedpr-transport/sdk-wrapper/java/CMakeLists.txt
index 9276c9e6..a184200f 100644
--- a/cpp/wedpr-transport/sdk-wrapper/java/CMakeLists.txt
+++ b/cpp/wedpr-transport/sdk-wrapper/java/CMakeLists.txt
@@ -1,19 +1,32 @@
-file(GLOB_RECURSE SRCS wedpr_java_transport.i)
-set_source_files_properties(${SRCS} PROPERTIES CPLUSPLUS ON)
-
-set(WEDPR_TRANSPORT_PACKAGE "com.webank.wedpr.sdk.jni.generated")
-
-set_property(SOURCE swig/wedpr_java_transport.i PROPERTY COMPILE_OPTIONS
-  -package ${WEDPR_TRANSPORT_PACKAGE})
-
-file(MAKE_DIRECTORY ${WEDPR_JAVA_TRANSPORT_DIR})
-file(MAKE_DIRECTORY ${WEDPR_JAVA_TRANSPORT_LIB_DIR})
-
-swig_add_library(${WEDPR_JAVA_TRANSPORT}
-  TYPE MODULE
-  LANGUAGE java
-  OUTPUT_DIR ${WEDPR_JAVA_TRANSPORT_DIR}
-  SOURCES ${SRCS})
+option(AUTO_GENERATE "Auto generate the targes" OFF)
+if(AUTO_GENERATE)
+    if(WIN32)
+      message(STATUS "Getting SWIG for Windows: ...")
+      include(swig)
+      message(STATUS "Getting SWIG for Windows: ...DONE")
+    endif()
+    # only auto-generate should find swig
+    include(java)
+    file(GLOB_RECURSE SRCS wedpr_java_transport.i)
+    set_source_files_properties(${SRCS} PROPERTIES CPLUSPLUS ON)
+
+    set(WEDPR_TRANSPORT_PACKAGE "com.webank.wedpr.sdk.jni.generated")
+
+    set_property(SOURCE swig/wedpr_java_transport.i PROPERTY COMPILE_OPTIONS
+      -package ${WEDPR_TRANSPORT_PACKAGE})
+
+    file(MAKE_DIRECTORY ${WEDPR_JAVA_TRANSPORT_DIR})
+    file(MAKE_DIRECTORY ${WEDPR_JAVA_TRANSPORT_LIB_DIR})
+
+    swig_add_library(${WEDPR_JAVA_TRANSPORT}
+      TYPE MODULE
+      LANGUAGE java
+      OUTPUT_DIR ${WEDPR_JAVA_TRANSPORT_DIR}
+      SOURCES ${SRCS})
+else()
+    file(GLOB_RECURSE SRCS src/*.cxx)
+    add_library(${WEDPR_JAVA_TRANSPORT} SHARED ${SRCS})
+endif()  
 
 SET(LIBRARY_OUTPUT_PATH ${WEDPR_JAVA_TRANSPORT_LIB_DIR})
 message("LIBRARY_OUTPUT_PATH: ${WEDPR_JAVA_TRANSPORT_LIB_DIR}")
diff --git a/cpp/wedpr-transport/sdk-wrapper/java/bindings/build.gradle b/cpp/wedpr-transport/sdk-wrapper/java/bindings/build.gradle
index 67e5940e..362b0ba3 100644
--- a/cpp/wedpr-transport/sdk-wrapper/java/bindings/build.gradle
+++ b/cpp/wedpr-transport/sdk-wrapper/java/bindings/build.gradle
@@ -7,6 +7,9 @@ plugins {
     id "de.undercouch.download" version "4.1.2"
     id 'com.github.sherter.google-java-format' version '0.9'
 }
+apply plugin: 'maven-publish'
+apply plugin: 'java'
+apply plugin: 'signing'
 
 // Additional attribute definition
 ext {
@@ -93,7 +96,7 @@ version = '1.0.0-SNAPSHOT'
 jar {
     exclude '**/*.xml'
     exclude '**/*.properties'
-    /*manifest {
+    manifest {
         try {
             def repo = grgit.open(currentDir: project.rootDir)
             if (repo != null) {
@@ -109,7 +112,7 @@ jar {
         } catch (Exception e) {
             e.printStackTrace()
         }
-    } from sourceSets.main.output*/
+    } from sourceSets.main.output
 
     doLast {
         copy {
@@ -164,7 +167,7 @@ publishing {
 
             pom {
                 name = 'wedpr'
-                description = 'wedpr java transport jni'
+                description = 'wedpr java gateway sdk'
                 url = 'http://www.fisco-bcos.org'
 
                 licenses {
@@ -200,7 +203,8 @@ publishing {
                 password 'deployment123'
             }
         }
+        signing {
+            sign publishing.publications.mavenJava
+        }
     }
-
 }
-
diff --git a/cpp/wedpr-transport/sdk-wrapper/java/bindings/settings.gradle b/cpp/wedpr-transport/sdk-wrapper/java/bindings/settings.gradle
index 5c90d6b7..4a6f5d4e 100644
--- a/cpp/wedpr-transport/sdk-wrapper/java/bindings/settings.gradle
+++ b/cpp/wedpr-transport/sdk-wrapper/java/bindings/settings.gradle
@@ -1,2 +1,2 @@
-rootProject.name = 'wedpr-java-transport-jni'
+rootProject.name = 'wedpr-gateway-sdk'
 
diff --git a/cpp/wedpr-transport/sdk-wrapper/java/bindings/src/main/java/com/webank/wedpr/sdk/jni/common/JniLibLoader.java b/cpp/wedpr-transport/sdk-wrapper/java/bindings/src/main/java/com/webank/wedpr/sdk/jni/common/JniLibLoader.java
index f30e9165..ff34a1de 100644
--- a/cpp/wedpr-transport/sdk-wrapper/java/bindings/src/main/java/com/webank/wedpr/sdk/jni/common/JniLibLoader.java
+++ b/cpp/wedpr-transport/sdk-wrapper/java/bindings/src/main/java/com/webank/wedpr/sdk/jni/common/JniLibLoader.java
@@ -101,9 +101,9 @@ public static String getLibName(String baseName) {
         } else if (osName.contains(MAC)) {
             String arch = getArch();
             if ("arm".equals(arch)) {
-                return "lib" + baseName + "-aarch64" + ".jnilib";
+                return "lib" + baseName + "-aarch64" + ".dylib";
             }
-            return "lib" + baseName + ".jnilib";
+            return "lib" + baseName + ".dylib";
         } else {
             throw new RuntimeException("unrecognized OS: " + osName);
         }
diff --git a/cpp/wedpr-transport/sdk-wrapper/java/bindings/src/main/java/com/webank/wedpr/sdk/jni/generated/IFrontClient.java b/cpp/wedpr-transport/sdk-wrapper/java/bindings/src/main/java/com/webank/wedpr/sdk/jni/generated/IFrontClient.java
index ac777ec8..a9d97546 100644
--- a/cpp/wedpr-transport/sdk-wrapper/java/bindings/src/main/java/com/webank/wedpr/sdk/jni/generated/IFrontClient.java
+++ b/cpp/wedpr-transport/sdk-wrapper/java/bindings/src/main/java/com/webank/wedpr/sdk/jni/generated/IFrontClient.java
@@ -43,8 +43,6 @@ public synchronized void delete() {
     /**
      * : receive message from gateway, call by gateway<br>
      * <br>
-     *
-     * @return void
      */
     public void onReceiveMessage(
             Message _msg,
diff --git a/cpp/wedpr-transport/sdk-wrapper/java/bindings/src/main/c/wedpr_java_transportJAVA_wrap.cxx b/cpp/wedpr-transport/sdk-wrapper/java/src/wedpr_java_transportJAVA_wrap.cxx
similarity index 100%
rename from cpp/wedpr-transport/sdk-wrapper/java/bindings/src/main/c/wedpr_java_transportJAVA_wrap.cxx
rename to cpp/wedpr-transport/sdk-wrapper/java/src/wedpr_java_transportJAVA_wrap.cxx
diff --git a/cpp/wedpr-transport/sdk-wrapper/java/bindings/src/main/c/wedpr_java_transportJAVA_wrap.h b/cpp/wedpr-transport/sdk-wrapper/java/src/wedpr_java_transportJAVA_wrap.h
similarity index 100%
rename from cpp/wedpr-transport/sdk-wrapper/java/bindings/src/main/c/wedpr_java_transportJAVA_wrap.h
rename to cpp/wedpr-transport/sdk-wrapper/java/src/wedpr_java_transportJAVA_wrap.h