diff --git a/example/Makefile b/example/Makefile
index 2582e10..4fffc2b 100644
--- a/example/Makefile
+++ b/example/Makefile
@@ -2,25 +2,35 @@ TOPDIR = ./..
 CC=gcc
 MAKE=make
 TARGET=example
+SIMPLE=simple_stellar_plugin.so
 
 EXAMPLE_FLAG = -DLUAPLUGIN_EXAMPLE
 
 SRC := example_plugin_manage.c
-	
 OBJECTS := example_plugin_manage.o
 
+SIMPLE_SRC := simple_example_plugin.c
+SIMPLE_OBJECTS := simple_example_plugin.o
+
 INCLUDE = -I$(TOPDIR)/output/include -I$(TOPDIR)/dependence/include -I$(TOPDIR)/example/include
 CFLAGS = -g -Wextra -Wall -O0 -fPIC 
 # CFLAGS += -pedantic -fsanitize=address
 # LDLIBS = -L$(TOPDIR)/output/lib -llua -ldl -lm
 LDLIBS += -L$(TOPDIR)/output/libs -lluaplugin -L$(TOPDIR)/dependence/lib -ltoml -lbitmap -lplugin_manager
 
-all:$(OBJECTS)
+TARGET:$(OBJECTS)
 	$(CC) $(CFLAGS) -o $(TARGET) $(OBJECTS) $(LDLIBS)
 
 $(OBJECTS):$(SRC)
 	$(CC) $(TEST_FLAG) $(INCLUDE) $(CFLAGS) $(SRC) -c $^
 
+SIMPLE:$(SIMPLE_OBJECTS)
+	$(CC) $(CFLAGS) --shared -o $(SIMPLE) $(SIMPLE_OBJECTS) $(LDLIBS)
+	cp $(SIMPLE) plugin
+
+$(SIMPLE_OBJECTS):$(SIMPLE_SRC)
+	$(CC) $(TEST_FLAG) $(INCLUDE) $(CFLAGS) $(SIMPLE_SRC) -c $^
+
 clean:
-	rm -rf $(OBJECTS) $(TARGET)
+	rm -rf $(OBJECTS) $(TARGET) $(SIMPLE_OBJECTS) $(SIMPLE)
 	rm -rf $(TOPDIR)/output/libs/$(TARGET)
\ No newline at end of file
diff --git a/example/example_plugin_manage.c b/example/example_plugin_manage.c
index 3e8667e..0e560d3 100644
--- a/example/example_plugin_manage.c
+++ b/example/example_plugin_manage.c
@@ -11,8 +11,15 @@
 #define PLUGIN_CONFIG_PATH "./conf/plugin_manage.toml"
 #define LUA_CONFIG_PATH "./conf/lua_plugin_manage.toml"
 
+// #define DEBUG_PLUGIN_SCHEMA
+
 static struct lua_config_specific *config_load(const char *config_file_name, int *specific_num);
+#ifdef DEBUG_PLUGIN_SCHEMA
 static void debug_plugin_manage_schema(struct plugin_manager_schema *schema);
+#endif
+
+#define PACKET_COUNT 10
+#define SESSION_COUNT 10
 
 int main()
 {
@@ -22,10 +29,45 @@ int main()
     int num = 0;
     struct lua_config_specific *specific = config_load(LUA_CONFIG_PATH, &num);
     struct plugin_manager_schema *plug_mgr = plugin_manager_init(&st, PLUGIN_CONFIG_PATH);
+    /* 初始化lua插件 */
     struct lua_plugin_manage_schema *lua_schema = lua_plugin_manage_init(&st, num, specific);
     st.lua_plug_mgr = lua_schema;
+#ifdef DEBUG_PLUGIN_SCHEMA
     debug_plugin_manage_schema(plug_mgr);
+#endif
 
+    unsigned char ip_proto=6;
+	struct packet pkt={&st, TCP, ip_proto};
+	struct session sess[SESSION_COUNT];
+	memset(&sess, 0, sizeof(sess));
+
+	for(int i=0; i < SESSION_COUNT; i++)
+	{
+		sess[i].plug_mgr_rt=plugin_manager_session_runtime_new(plug_mgr, &sess[i]);
+		sess[i].type=SESSION_TYPE_TCP;
+	}
+
+    for (int j = 0; j < PACKET_COUNT; j++)
+    {
+        // plugin_manager_on_packet_ingress(plug_mgr, &pkt);
+
+        for (int i = 0; i < SESSION_COUNT; i++)
+        {
+			sess[i].sess_pkt_cnt+=1;
+            plugin_manager_on_session_ingress(&sess[i], &pkt);
+            plugin_manager_on_session_egress(&sess[i], &pkt);
+        }
+
+		// plugin_manager_on_packet_egress(plug_mgr, &pkt);
+    }
+
+    for(int i=0; i < SESSION_COUNT; i++)
+	{
+		plugin_manager_on_session_closing(&sess[i]);
+		plugin_manager_session_runtime_free(sess[i].plug_mgr_rt);
+	}
+
+	plugin_manager_exit(plug_mgr);
     lua_plugin_manage_exit(lua_schema);
     return 0;
 }
@@ -83,6 +125,7 @@ static struct lua_config_specific *config_load(const char *config_file_name, int
     return new_spec;
 }
 
+#ifdef DEBUG_PLUGIN_SCHEMA
 static void debug_plugin_manage_schema(struct plugin_manager_schema *schema)
 {
     struct registered_session_plugin_schema * plugin = NULL;
@@ -92,4 +135,5 @@ static void debug_plugin_manage_schema(struct plugin_manager_schema *schema)
     }
     return;
 }
+#endif
 
diff --git a/example/plugin/example_plugin-2.lua b/example/plugin/example_plugin-2.lua
index faffe5b..62c13ed 100644
--- a/example/plugin/example_plugin-2.lua
+++ b/example/plugin/example_plugin-2.lua
@@ -1,16 +1,24 @@
 function plugin_ctx_new(sess, plug_env, sess_context)
     print("now create new ctx example-2, plugin id ", plug_env.id)
-    local sessid = session.getid(sess)
+    local sesstype = session.gettype(sess)
     sess_context.id = 200
-    print("session id is ", sessid)
-    session.setid(sess, 50000)
+    sess_context.called = 0
+    print("session type is ", sesstype)
+    -- session.setid(sess, 50000)
 end
 
 function plugin_ctx_free(sess, sess_context, plug_env)
-    print(sess_context.id)
+    print(plug_env.id, sess_context.id, sess_context.called, plug_env.called)
     print("now begin to free ctx context example-2")
 end
 
+function on_message(sess, topic_id, msg, sess_context, env)
+    -- print(sess, topic_id, msg, sess_context, env)
+    sess_context.called = sess_context.called + 1
+    env.calledcount = env.calledcount + 1
+    print("call on message", env.id, env.calledcount, sess_context.called)
+end
+
 function free_message()
     print("free message")
 end
@@ -18,8 +26,17 @@ end
 function plugin_load(stellar, plug_env)
     print("now begin to load plugin example-2")
     plug_env.id = plugin_manage.register(stellar, plugin_ctx_new, plugin_ctx_free, plug_env)
-    topic_id = message.gettopicid(stellar, "TOPIC_SESSION_STAT")
+    topic_id = message.gettopicid(stellar, "TCP")
     print("get topic id is ", topic_id)
+    message.subscribetopic(stellar, topic_id, on_message, plug_env.id)
+    -- print("subscribetopic result", bool)
+    -- mq_topic_id = message.gettopicid(stellar, "SESSION_MQ_TOPIC")
+    -- print("get session mq topic is", mq_topic_id)
+    -- message.subscribetopic(stellar, mq_topic_id, on_message, plug_env.id)
+
+    plug_env.calledcount = 0
+
+    --[[
     create_id = message.gettopicid(stellar, "TOPIC_LUA_SESSION_TEST")
     if (create_id < 0)
     then
@@ -30,9 +47,9 @@ function plugin_load(stellar, plug_env)
     else
         print("has created, id is ", create_id)
     end
+    --]]
 end
 
 function plugin_unload(plug_env)
     print("now running unload plugin example-2 function, plugin id is ", plug_env.id)
-
 end
\ No newline at end of file
diff --git a/example/simple_example_plugin.c b/example/simple_example_plugin.c
new file mode 100644
index 0000000..a0aaace
--- /dev/null
+++ b/example/simple_example_plugin.c
@@ -0,0 +1,457 @@
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+
+#include "stellar/stellar.h"
+#include "stellar/session.h"
+#include "stellar/utils.h"
+#include "stellar/session_exdata.h"
+#include "stellar/session_mq.h"
+#include "stellar/packet_exdata.h"
+#include "stellar/packet_mq.h"
+
+#include <stdio.h>
+#include <string.h>
+#include <assert.h>
+
+
+struct simple_stellar_plugin_env
+{
+	struct stellar *st;
+    int session_plugin_id;
+    int session_exdata_idx;
+    int packet_exdata_idx;
+	int packet_topic_id;
+	int stat_topic_id;
+	int egress_topic_id;
+	int tcp_topic_id;
+	int udp_topic_id;
+	int tcp_stream_topic_id;
+	long long tcp_packet_count;
+	long long udp_packet_count;
+	long long icmp_packet_count;
+	long long icmp6_packet_count;
+	long long polling_times;
+};
+
+struct mq_message_stat
+{
+	uint32_t c2s_pkts;
+	uint32_t c2s_bytes;
+	uint32_t s2c_pkts;
+	uint32_t s2c_bytes;
+	uint32_t c2s_stream_pkts;
+	uint32_t c2s_stream_bytes;
+	uint32_t s2c_stream_pkts;
+	uint32_t s2c_stream_bytes;
+};
+
+
+static void print_session_stat(struct session *sess, struct mq_message_stat *stat, int plugin_id, const char *banner)
+{
+    if (stat)
+    {
+        printf("%s(plug:%d)-----------%20s: ", banner, plugin_id, session_get0_readable_addr(sess));
+        printf("server-pkt=%u, server-count=%u, client-pkt=%u, client-count=%u, ", stat->c2s_pkts, stat->c2s_bytes,
+            stat->s2c_pkts, stat->s2c_bytes);
+        printf("total-pkt=%u, ", stat->c2s_pkts + stat->s2c_pkts);
+        printf("total-count=%u\n", stat->c2s_bytes + stat->s2c_bytes);
+		if(stat->c2s_stream_pkts+stat->s2c_stream_pkts > 0)
+		{
+        	printf("----------------server-stream_pkt=%u, server-stream_count=%u, client-stream_pkt=%u, client-stream_count=%u\n", stat->c2s_stream_pkts, stat->c2s_stream_bytes,
+            stat->s2c_stream_pkts, stat->s2c_stream_bytes);			
+		}
+    }
+    return;
+}
+
+/*******************************
+ * simple session & packet plugin *
+ *******************************/
+
+static void *simple_plugin_session_ctx_new(struct session *sess, void *plugin_env)
+{
+	struct mq_message_stat * stat= CALLOC(struct mq_message_stat, 1);
+	struct simple_stellar_plugin_env *env=(struct simple_stellar_plugin_env *)plugin_env;
+	session_exdata_set(sess, env->session_exdata_idx, stat);
+	return stat;
+}
+
+static void simple_plugin_session_ctx_free(struct session *sess, void *session_ctx, void *plugin_env)
+{
+	struct simple_stellar_plugin_env *env=(struct simple_stellar_plugin_env *)plugin_env;
+	struct mq_message_stat *stat = (struct mq_message_stat *)session_ctx;
+	print_session_stat(sess, stat, env->session_plugin_id, __FUNCTION__);
+	session_exdata_set(sess, env->session_exdata_idx, NULL);
+	if(session_ctx)FREE(session_ctx);
+	return;
+}
+
+static void simple_plugin_on_session_msg(struct session *sess, int topic_id, const void *data, void *plugin_ctx, void *plugin_env)
+{
+	struct simple_stellar_plugin_env *env = (struct simple_stellar_plugin_env *)plugin_env;
+	struct mq_message_stat *stat = (struct mq_message_stat *)plugin_ctx;
+	struct packet * pkt=(struct packet *)data;
+	if (pkt)
+	{
+		// TEST: try stellar_session_plugin_dettach_current_session when pkt > 3
+		if(stat->c2s_pkts+stat->s2c_pkts >= 3 && session_get_type(sess)== SESSION_TYPE_UDP)
+		{
+			stellar_session_plugin_dettach_current_session(sess);
+			return;
+		}
+
+        size_t payload_len = 0;
+        session_get0_current_payload(sess, &payload_len);
+        int dir = packet_get_direction(pkt);
+		if (dir==PACKET_DIRECTION_C2S)
+		{
+			if(topic_id==env->tcp_stream_topic_id)
+			{
+				stat->c2s_stream_bytes += payload_len;
+				stat->c2s_stream_pkts += 1;
+			}
+			else
+			{
+				stat->c2s_bytes += payload_len;
+				stat->c2s_pkts += 1;
+			}
+		}
+		if (dir==PACKET_DIRECTION_S2C)
+		{
+			if(topic_id==env->tcp_stream_topic_id)
+			{
+				stat->s2c_stream_bytes += payload_len;
+				stat->s2c_stream_pkts += 1;
+			}
+			else
+			{
+				stat->s2c_bytes += payload_len;
+				stat->s2c_pkts += 1;
+			}
+		}
+		session_mq_publish_message(sess, ((struct simple_stellar_plugin_env *)plugin_env)->stat_topic_id, stat);
+	}
+    return;
+}
+
+void simple_plugin_on_packet(struct packet *pkt,  unsigned char ip_protocol, void *plugin_env)
+{
+	struct simple_stellar_plugin_env *env = (struct simple_stellar_plugin_env *)plugin_env;
+	packet_exdata_set(pkt, env->packet_exdata_idx, env);
+	packet_mq_publish_message(pkt, env->packet_topic_id, env);
+	switch (ip_protocol)
+	{
+	case IPPROTO_TCP:
+		env->tcp_packet_count++;
+		break;
+	case IPPROTO_UDP:
+		env->udp_packet_count++;
+		break;	
+	case IPPROTO_ICMP:
+		env->icmp_packet_count++;
+		break;			
+	case IPPROTO_ICMPV6:
+		env->icmp6_packet_count++;
+		break;		
+	default:
+		perror("invalid ip_protocol\n");
+		exit(-1);
+		break;
+	}
+	return;
+}
+
+void simple_plugin_packet_get_exdata(struct packet *pkt,  unsigned char ip_protocol , void *plugin_env)
+{
+	struct simple_stellar_plugin_env *env = (struct simple_stellar_plugin_env *)plugin_env;
+	struct simple_stellar_plugin_env *exdata = (struct simple_stellar_plugin_env *)packet_exdata_get(pkt, env->packet_exdata_idx);
+	if(memcmp(env, exdata, sizeof(struct simple_stellar_plugin_env)) != 0)
+	{
+		abort();
+	}
+	return;
+}
+
+
+int simple_plugin_on_polling(void *plugin_env)
+{
+	struct simple_stellar_plugin_env *env = (struct simple_stellar_plugin_env *)plugin_env;
+	env->polling_times++;
+	return 0;
+}
+
+static void simple_plugin_packet_exdata_free(struct packet *pkt , int idx , void *ex_ptr, void *arg)
+{
+	struct simple_stellar_plugin_env *env = (struct simple_stellar_plugin_env *)arg;	
+	assert(env);
+	struct simple_stellar_plugin_env *exdata = (struct simple_stellar_plugin_env *)ex_ptr;		
+	if(memcmp(env, exdata, sizeof(struct simple_stellar_plugin_env)) != 0)
+	{
+		abort();
+	}
+}
+
+static void simple_plugin_packet_msg_free(struct packet *pkt , void *msg, void *msg_free_arg)
+{
+	struct simple_stellar_plugin_env *env = (struct simple_stellar_plugin_env *)msg_free_arg;	
+	assert(env);
+	struct simple_stellar_plugin_env *exdata = (struct simple_stellar_plugin_env *)msg;		
+	if(memcmp(env, exdata, sizeof(struct simple_stellar_plugin_env)) != 0)
+	{
+		abort();
+	}
+		
+}
+
+static void simple_plugin_on_packet_msg_cb(struct packet *pkt , int topic_id , const void *msg, void *plugin_env)
+{
+	struct simple_stellar_plugin_env *env = (struct simple_stellar_plugin_env *)plugin_env;	
+	assert(env);
+	struct simple_stellar_plugin_env *exdata = (struct simple_stellar_plugin_env *)msg;		
+	if(memcmp(env, exdata, sizeof(struct simple_stellar_plugin_env)) != 0)
+	{
+		abort();
+	}
+}
+
+void *simple_session_packet_plugin_init(struct stellar *st)
+{
+	struct simple_stellar_plugin_env *env = CALLOC(struct simple_stellar_plugin_env, 1);
+	env->st = st;
+	env->session_exdata_idx = stellar_session_exdata_new_index(st, "EXDATA_SESSION_STAT", NULL, NULL);
+	env->session_plugin_id = stellar_session_plugin_register(st, 
+									simple_plugin_session_ctx_new, 
+									simple_plugin_session_ctx_free, 
+									env);
+	int tcp_plugin_id=stellar_packet_plugin_register(st, IPPROTO_TCP, simple_plugin_on_packet, env);	
+	int udp_plugin_id=stellar_packet_plugin_register(st, IPPROTO_UDP, simple_plugin_on_packet, env);	
+	int icmp_plugin_id=stellar_packet_plugin_register(st, IPPROTO_ICMP, simple_plugin_on_packet, env);	
+	int icmp6_plugin_id=stellar_packet_plugin_register(st, IPPROTO_ICMPV6, simple_plugin_on_packet, env);	
+
+	if(tcp_plugin_id < 0 || udp_plugin_id < 0 || icmp_plugin_id < 0 || icmp6_plugin_id < 0)
+	{
+		perror("register packet plugin return invalid plugin id\n");
+		exit(-1);
+	}
+
+	env->packet_topic_id=stellar_packet_mq_get_topic_id(st, "TOPIC_PACKET_ENV");
+	if(env->packet_topic_id < 0)
+	{
+		env->packet_topic_id=stellar_packet_mq_create_topic(st, "TOPIC_PACKET_ENV", simple_plugin_packet_msg_free, env);
+	}
+
+	tcp_plugin_id=stellar_packet_plugin_register(st, IPPROTO_TCP, simple_plugin_packet_get_exdata, env);	
+	udp_plugin_id=stellar_packet_plugin_register(st, IPPROTO_UDP, simple_plugin_packet_get_exdata, env);	
+	icmp_plugin_id=stellar_packet_plugin_register(st, IPPROTO_ICMP, simple_plugin_packet_get_exdata, env);	
+	icmp6_plugin_id=stellar_packet_plugin_register(st, IPPROTO_ICMPV6, simple_plugin_packet_get_exdata, env);	
+
+	if(tcp_plugin_id < 0 || udp_plugin_id < 0 || icmp_plugin_id < 0 || icmp6_plugin_id < 0)
+	{
+		perror("register packet plugin get exdata return invalid plugin id\n");
+		exit(-1);
+	}
+
+	stellar_packet_mq_subscribe(st, env->packet_topic_id, simple_plugin_on_packet_msg_cb, tcp_plugin_id);
+	stellar_packet_mq_subscribe(st, env->packet_topic_id, simple_plugin_on_packet_msg_cb, udp_plugin_id);
+	stellar_packet_mq_subscribe(st, env->packet_topic_id, simple_plugin_on_packet_msg_cb, icmp_plugin_id);
+	stellar_packet_mq_subscribe(st, env->packet_topic_id, simple_plugin_on_packet_msg_cb, icmp6_plugin_id);
+
+	env->packet_exdata_idx=stellar_packet_exdata_new_index(st, "EXDATA_PACKET_ENV", simple_plugin_packet_exdata_free, env);
+
+	int polling_plugin_id=stellar_polling_plugin_register(st, simple_plugin_on_polling, env);
+	if(polling_plugin_id < 0)
+	{
+		perror("register polling plugin return invalid plugin id \n");
+		exit(-1);
+	}
+
+	env->tcp_stream_topic_id=stellar_session_mq_get_topic_id(st, TOPIC_TCP_STREAM);
+	env->tcp_topic_id=stellar_session_mq_get_topic_id(st, TOPIC_TCP);
+	env->udp_topic_id=stellar_session_mq_get_topic_id(st, TOPIC_UDP);
+	if(env->tcp_topic_id < 0 || env->udp_topic_id < 0 || env->tcp_stream_topic_id < 0)
+	{
+		perror("get tcp or udp topic id failed\n");
+		exit(-1);
+	}
+
+	stellar_session_mq_subscribe(st, env->tcp_stream_topic_id, simple_plugin_on_session_msg, env->session_plugin_id);
+	stellar_session_mq_subscribe(st, env->tcp_topic_id, simple_plugin_on_session_msg, env->session_plugin_id);
+	stellar_session_mq_subscribe(st, env->udp_topic_id, simple_plugin_on_session_msg, env->session_plugin_id);
+
+	int stat_topic_id=stellar_session_mq_get_topic_id(st, "TOPIC_SESSION_STAT");
+	if(stat_topic_id < 0)
+	{
+		stat_topic_id=stellar_session_mq_create_topic(st, "TOPIC_SESSION_STAT", NULL, NULL);
+	}	
+	env->stat_topic_id = stat_topic_id;								
+	return env;
+}
+
+void simple_session_packet_plugin_exit(void *plugin_env)
+{
+	if(plugin_env)
+	{
+		struct simple_stellar_plugin_env *env = (struct simple_stellar_plugin_env *)plugin_env;
+		printf("(%s):tcp_packet_num:%lld, udp_packet_num:%lld, icmp_packet_num:%lld, icmp6_packet_num:%lld, polling_times:%lld\n", __FUNCTION__, env->tcp_packet_count, env->udp_packet_count, env->icmp_packet_count, env->icmp6_packet_count, env->polling_times);
+		FREE(plugin_env);
+	}
+	return;
+}
+
+/*******************************
+ * simple plugin sub session stat  *
+ *******************************/
+
+static void simple_plugin_sub_session_stat_on_msg(struct session *sess, int topic_id, const void *data, void *plugin_ctx , void *plugin_env)
+{
+
+	struct simple_stellar_plugin_env *env = (struct simple_stellar_plugin_env *)plugin_env;
+	if(topic_id == env->egress_topic_id)
+	{
+		session_mq_ignore_message(sess, topic_id, env->session_plugin_id);
+	}
+    if (topic_id == env->stat_topic_id)
+    {
+        struct mq_message_stat *stat = (struct mq_message_stat *)data;
+        struct mq_message_stat *exdata_stat = (struct mq_message_stat *)session_exdata_get(sess, env->session_exdata_idx);
+        if (memcmp(exdata_stat, stat, sizeof(struct mq_message_stat)) != 0)
+        {
+            perror("exdata and mq data not equal\n");
+            exit(-1);
+        }
+        // print_session_stat(sess, stat, env->plugin_id, __FUNCTION__);
+		session_mq_unignore_message(sess,  env->egress_topic_id, env->session_plugin_id);
+    }
+    return;
+}
+
+void *simple_plugin_sub_session_stat_init(struct stellar *st)
+{
+    printf("init new plugin, regist\n");
+	struct simple_stellar_plugin_env *env = CALLOC(struct simple_stellar_plugin_env, 1);
+	env->st = st;
+	env->session_exdata_idx = stellar_session_exdata_new_index(st, "EXDATA_SESSION_STAT", NULL, NULL);
+	int topic_id=stellar_session_mq_get_topic_id(st, "TOPIC_SESSION_STAT");
+	if(topic_id < 0)
+	{
+		topic_id=stellar_session_mq_create_topic(st, "TOPIC_SESSION_STAT", NULL, NULL);
+	}
+	env->stat_topic_id = topic_id;								
+	env->session_plugin_id = stellar_session_plugin_register(st, 
+									NULL, 
+									NULL, 
+									env);
+	stellar_session_mq_subscribe(st, topic_id, simple_plugin_sub_session_stat_on_msg, env->session_plugin_id);
+
+	// TEST: subscirbe egress message then ignore
+	env->egress_topic_id=stellar_session_mq_get_topic_id(st, TOPIC_EGRESS);
+	if(env->egress_topic_id < 0)
+	{
+		perror("get egress topic id failed\n");
+		exit(-1);
+	}
+	stellar_session_mq_subscribe(st, env->egress_topic_id, simple_plugin_sub_session_stat_on_msg, env->session_plugin_id);
+	return env;
+}
+
+void simple_plugin_sub_session_stat_exit(void *plugin_env)
+{
+	if(plugin_env)FREE(plugin_env);
+	return;
+}
+
+
+
+
+struct session_plugin_env
+{
+	struct plugin_manager_schema *plug_mgr;
+	int N_session;
+	int N_per_session_pkt_cnt;
+	int intrinsc_tcp_topic_id;
+	int intrinsc_egress_topic_id;
+	int basic_exdata_idx;
+	int basic_exdata_free_called;
+	int basic_on_session_ingress_called;
+	int basic_on_session_egress_called;
+	int basic_ctx_new_called;
+	int basic_ctx_free_called;
+	int test_mq_pub_plugin_id;
+	int test_mq_sub_plugin_id;
+	int test_mq_pub_called;
+	int test_mq_sub_called;
+	int test_mq_free_called;
+	int test_mq_topic_id;
+	int plugin_id_1;
+	int plugin_id_2;
+	int plugin_id_1_called;
+	int plugin_id_2_called;
+};
+
+struct test_basic_ctx
+{
+	int called;
+};
+
+static void *test_dettach_session_ctx_new(struct session *sess, void *plugin_env)
+{
+    printf("now running ctx new\n");
+	struct test_basic_ctx *ctx=(struct test_basic_ctx *)calloc(1, sizeof(struct test_basic_ctx));
+	struct session_plugin_env *env = (struct session_plugin_env *)plugin_env;
+    session_mq_publish_message(sess, env->test_mq_topic_id, plugin_env);// publish success, but won't be delivered to currnet plugin
+	stellar_session_plugin_dettach_current_session(sess);
+	ctx->called+=1;
+	session_mq_publish_message(sess, env->test_mq_topic_id, plugin_env);// publish success, but won't be delivered to currnet plugin
+	return ctx;
+}
+
+static void test_dettach_session_ctx_free(struct session *sess, void *session_ctx, void *plugin_env)
+{
+	struct session_plugin_env *env = (struct session_plugin_env *)plugin_env;
+	env->basic_ctx_free_called+=1;
+	struct test_basic_ctx *ctx=(struct test_basic_ctx *)session_ctx;
+    printf("now free ctx, called is %d\n", ctx->called);
+    session_mq_publish_message(sess, env->test_mq_topic_id, plugin_env);// publish success, but won't be delivered to currnet plugin
+	free(ctx);
+}
+
+static void test_dettach_on_session(struct session *sess, int topic_id, const void *msg , void *per_session_ctx, void *plugin_env)
+{
+	struct test_basic_ctx *ctx=(struct test_basic_ctx *)per_session_ctx;
+	// struct session_plugin_env *env = (struct session_plugin_env *)plugin_env;
+	ctx->called+=1;
+}
+
+static void test_dettach_msg_free(struct session *sess, void *msg, void *msg_free_arg)
+{
+	struct session_plugin_env *env = (struct session_plugin_env *)msg_free_arg;
+	env->test_mq_free_called+=1;
+	return;
+}
+
+void * test_plugin_init(struct stellar * st)
+{
+	struct session_plugin_env * env = CALLOC(struct session_plugin_env, 1);
+	// env.plug_mgr=plug_mgr;
+	// env->N_per_session_pkt_cnt=10;
+	// env->N_session=10
+
+       /* 先插入一个C插件 */
+	int plugin_id=stellar_session_plugin_register(st, test_dettach_session_ctx_new, test_dettach_session_ctx_free, env);
+    printf("plugin regist id is %d\n", plugin_id);
+
+	env->intrinsc_tcp_topic_id=stellar_session_mq_get_topic_id(st, TOPIC_TCP);
+    printf("TCP topic id is %d\n", env->intrinsc_egress_topic_id);
+    stellar_session_mq_subscribe(st, env->intrinsc_tcp_topic_id, test_dettach_on_session, plugin_id);
+
+	env->test_mq_topic_id=stellar_session_mq_create_topic(st, "SESSION_MQ_TOPIC", test_dettach_msg_free, &env);
+    stellar_session_mq_subscribe(st, env->test_mq_topic_id, test_dettach_on_session, plugin_id);
+    
+    return env;
+}
+
+void test_plugin_free(void * plug_env)
+{
+    struct session_plugin_env * env = (struct session_plugin_env *)plug_env;
+    if (env) free(env);
+    return;
+}
\ No newline at end of file
diff --git a/include/lua_plugin_manage.h b/include/lua_plugin_manage.h
index 0bbf19c..6259a3d 100644
--- a/include/lua_plugin_manage.h
+++ b/include/lua_plugin_manage.h
@@ -14,7 +14,7 @@
  *    lua_plugin_manage_exit
  * 2. 声明数据结构
  *    struct lua_plugin_manage_schema
- * 
+ *
  * 08-09
  * 1. 修改参数函数原型, 传入参数修改为已经加载的配置信息
  ************************************************************************/
@@ -34,5 +34,5 @@ struct lua_config_specific
 
 struct lua_plugin_manage_schema;
 
-struct lua_plugin_manage_schema *lua_plugin_manage_init(struct stellar *st, int specific_count, struct lua_config_specific *specific);
+struct lua_plugin_manage_schema *lua_plugin_manage_init(struct stellar *st, int specific_count, struct lua_config_specific *specifics);
 void lua_plugin_manage_exit(struct lua_plugin_manage_schema *lua_plug_mgr);
\ No newline at end of file