diff --git a/CMakeLists.txt b/CMakeLists.txt
index b6c5bb4..74ebebc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,8 +29,8 @@ else()
 endif()
 
 install(TARGETS ${lib_name} LIBRARY DESTINATION ${CMAKE_INSTALL_PREFIX}/plug/business/nat_format)
-install(FILES bin/${lib_name}.inf DESTINATION ${CMAKE_INSTALL_PREFIX}/plug/business/nat_format)
-install(FILES bin/${lib_name}.conf DESTINATION ${CMAKE_INSTALL_PREFIX}/conf)
+install(FILES bin/conf/${lib_name}.inf DESTINATION ${CMAKE_INSTALL_PREFIX}/plug/business/nat_format)
+install(FILES bin/conf/${lib_name}.conf DESTINATION ${CMAKE_INSTALL_PREFIX}/conf)
 
 set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
 include(Version)
diff --git a/src/nat_format.cpp b/src/nat_format.cpp
index 8593071..28d00ee 100644
--- a/src/nat_format.cpp
+++ b/src/nat_format.cpp
@@ -81,7 +81,7 @@ int nat_format_init(void) {
 
 // 卸载函数
 void nat_format_destroy(void) {
-    free(nat_payload);
+    free(multicast_payload);
 }
 
 // 入口函数
@@ -104,7 +104,7 @@ char nat_format_entry(struct streaminfo *a_udp, void **pme, int thread_seq, void
 
     // 提取udp流信息
     char *udp_data = (char *)a_udp->pudpdetail->pdata;
-    int32_t upd_data_len = a_udp->pudpdetail->datalen;
+    // int32_t upd_data_len = a_udp->pudpdetail->datalen;
     unsigned short udp_port = a_udp->addr.tuple4_v4->source;
 
     // 提取nat信息
diff --git a/src/nat_format.h b/src/nat_format.h
index da1519f..6452b99 100644
--- a/src/nat_format.h
+++ b/src/nat_format.h
@@ -16,9 +16,9 @@
 struct nat_format_global_info {
     u_int32_t batch_size;
     char host_ip[64];
-    u_int32_t host_port;
+    int32_t host_port;
     char multicast_ip[64];
-    u_int32_t multicast_port;
+    int32_t multicast_port;
 
     int32_t hw_syslog_port;
     int32_t hw_binary_port;
@@ -50,4 +50,8 @@ struct nat_payload {
     char protocol = FORMAT_LOG_PROTOCOL_UDP;
 };
 
+extern "C" int nat_format_init(void);
+extern "C" void nat_format_destroy(void);
+extern "C" char nat_format_entry(struct streaminfo *a_udp, void **pme, int thread_seq, void *a_packet);
+
 #endif  // NAT_FORMAT_H_