diff --git a/platform/include/internal/resource.h b/platform/include/internal/resource.h
deleted file mode 100644
index 7a70b0e..0000000
--- a/platform/include/internal/resource.h
+++ /dev/null
@@ -1,10 +0,0 @@
-#pragma once
-
-enum RESOURCE_TYPE
-{
-    STATIC_MAAT,
-    DYNAMINC_MAAT,
-};
-
-int tfe_bussiness_resouce_init();
-void *tfe_bussiness_resouce_get(enum RESOURCE_TYPE type);
\ No newline at end of file
diff --git a/platform/src/resource.cpp b/platform/src/resource.cpp
deleted file mode 100644
index 14c6a13..0000000
--- a/platform/src/resource.cpp
+++ /dev/null
@@ -1,168 +0,0 @@
-#include <resource.h>
-#include <tfe_proxy.h>
-#include <MESA/Maat_rule.h>
-#include <MESA/MESA_prof_load.h>
-
-#define MAAT_INPUT_JSON 0
-#define MAAT_INPUT_REDIS 1
-#define MAAT_INPUT_FILE 2
-
-static Maat_feather_t static_maat = NULL;
-static Maat_feather_t dynamic_maat = NULL;
-
-static Maat_feather_t create_maat_feather(const char *instance_name, const char *profile, const char *section, int max_thread, void *logger)
-{
-    Maat_feather_t target;
-    int input_mode = 0, maat_stat_on = 0, maat_perf_on = 0;
-    int ret = 0, scan_detail = 0, effect_interval = 60;
-    char table_info[TFE_STRING_MAX] = {0}, inc_cfg_dir[TFE_STRING_MAX] = {0}, ful_cfg_dir[TFE_STRING_MAX] = {0};
-    char redis_server[TFE_STRING_MAX] = {0};
-    char redis_port_range[TFE_STRING_MAX] = {0};
-    char accept_tags[TFE_STRING_MAX] = {0};
-    int redis_port_begin = 0, redis_port_end = 0;
-    int redis_port_select = 0;
-    int redis_db_idx = 0;
-    char json_cfg_file[TFE_STRING_MAX] = {0}, maat_stat_file[TFE_STRING_MAX] = {0};
-
-    MESA_load_profile_int_def(profile, section, "maat_input_mode", &(input_mode), 0);
-    MESA_load_profile_int_def(profile, section, "stat_switch", &(maat_stat_on), 1);
-    MESA_load_profile_int_def(profile, section, "perf_switch", &(maat_perf_on), 1);
-    MESA_load_profile_string_def(profile, section, "table_info", table_info, sizeof(table_info), "");
-    MESA_load_profile_string_def(profile, section, "accept_tags", accept_tags, sizeof(accept_tags), "");
-    MESA_load_profile_string_def(profile, section, "json_cfg_file", json_cfg_file, sizeof(json_cfg_file), "");
-    MESA_load_profile_string_def(profile, section, "maat_redis_server", redis_server, sizeof(redis_server), "");
-    MESA_load_profile_string_def(profile, section, "maat_redis_port_range", redis_port_range, sizeof(redis_server), "6379");
-    MESA_load_profile_int_def(profile, section, "maat_redis_db_index", &(redis_db_idx), 0);
-    MESA_load_profile_string_def(profile, section, "inc_cfg_dir", inc_cfg_dir, sizeof(inc_cfg_dir), "");
-    MESA_load_profile_string_def(profile, section, "full_cfg_dir", ful_cfg_dir, sizeof(ful_cfg_dir), "");
-    MESA_load_profile_string_def(profile, section, "stat_file", maat_stat_file, sizeof(maat_stat_file), "");
-    MESA_load_profile_int_def(profile, section, "effect_interval_s", &(effect_interval), 60);
-
-    effect_interval *= 1000; //convert s to ms
-
-    target = Maat_feather(max_thread, table_info, logger);
-    Maat_set_feather_opt(target, MAAT_OPT_INSTANCE_NAME, instance_name, strlen(instance_name) + 1);
-    switch (input_mode)
-    {
-    case MAAT_INPUT_JSON:
-        if (!strlen(json_cfg_file))
-        {
-            TFE_LOG_ERROR(logger, "Invalid json_cfg_file, MAAT init failed.");
-            goto error_out;
-        }
-
-        Maat_set_feather_opt(target, MAAT_OPT_JSON_FILE_PATH, json_cfg_file, strlen(json_cfg_file) + 1);
-        break;
-    case MAAT_INPUT_REDIS:
-        if (!strlen(redis_server))
-        {
-            TFE_LOG_ERROR(logger, "Invalid maat_redis_server, MAAT init failed.");
-            goto error_out;
-        }
-
-        ret = sscanf(redis_port_range, "%d-%d", &redis_port_begin, &redis_port_end);
-        if (ret == 1)
-        {
-            redis_port_select = redis_port_begin;
-        }
-        else if (ret == 2)
-        {
-            srand(time(NULL));
-            redis_port_select = redis_port_begin + rand() % (redis_port_end - redis_port_begin);
-        }
-        else
-        {
-            TFE_LOG_ERROR(logger, "Invalid redis port range %s, MAAT init failed.", redis_port_range);
-
-            goto error_out;
-        }
-
-        Maat_set_feather_opt(target, MAAT_OPT_REDIS_IP, redis_server, strlen(redis_server) + 1);
-        Maat_set_feather_opt(target, MAAT_OPT_REDIS_PORT, &redis_port_select, sizeof(redis_port_select));
-        Maat_set_feather_opt(target, MAAT_OPT_REDIS_INDEX, &redis_db_idx, sizeof(redis_db_idx));
-        break;
-    case MAAT_INPUT_FILE:
-        if (!strlen(ful_cfg_dir))
-        {
-            TFE_LOG_ERROR(logger, "Invalid ful_cfg_dir, MAAT init failed.");
-            goto error_out;
-        }
-
-        if (!strlen(inc_cfg_dir))
-        {
-            TFE_LOG_ERROR(logger, "Invalid inc_cfg_dir, MAAT init failed.");
-            goto error_out;
-        }
-
-        Maat_set_feather_opt(target, MAAT_OPT_FULL_CFG_DIR, ful_cfg_dir, strlen(ful_cfg_dir) + 1);
-        Maat_set_feather_opt(target, MAAT_OPT_INC_CFG_DIR, inc_cfg_dir, strlen(inc_cfg_dir) + 1);
-        break;
-    default:
-        TFE_LOG_ERROR(logger, "Invalid MAAT Input Mode: %d.", input_mode);
-        goto error_out;
-        break;
-    }
-
-    Maat_set_feather_opt(target, MAAT_OPT_FOREIGN_CONT_DIR, "./pangu_files", strlen("./pangu_files") + 1);
-    if (maat_stat_on)
-    {
-        Maat_set_feather_opt(target, MAAT_OPT_STAT_FILE_PATH, maat_stat_file, strlen(maat_stat_file) + 1);
-        Maat_set_feather_opt(target, MAAT_OPT_STAT_ON, NULL, 0);
-        if (maat_perf_on)
-        {
-            Maat_set_feather_opt(target, MAAT_OPT_PERF_ON, NULL, 0);
-        }
-    }
-
-    Maat_set_feather_opt(target, MAAT_OPT_EFFECT_INVERVAL_MS, &effect_interval, sizeof(effect_interval));
-    Maat_set_feather_opt(target, MAAT_OPT_SCAN_DETAIL, &scan_detail, sizeof(scan_detail));
-    if (strlen(accept_tags) > 0)
-    {
-        Maat_set_feather_opt(target, MAAT_OPT_ACCEPT_TAGS, &accept_tags, sizeof(accept_tags));
-    }
-
-    ret = Maat_initiate_feather(target);
-    if (ret < 0)
-    {
-        TFE_LOG_ERROR(logger, "%s MAAT init failed.", __FUNCTION__);
-        goto error_out;
-    }
-
-    return target;
-error_out:
-    Maat_burn_feather(target);
-    return NULL;
-}
-
-int tfe_bussiness_resouce_init()
-{
-    const char *profile_path = "./conf/pangu/pangu_pxy.conf";
-    unsigned int thread_num = tfe_proxy_get_work_thread_count();
-    static_maat = create_maat_feather("static", profile_path, "MAAT", thread_num, g_default_logger);
-    if (!static_maat)
-    {
-        return -1;
-    }
-
-    dynamic_maat = create_maat_feather("dyn", profile_path, "DYNAMIC_MAAT", thread_num, g_default_logger);
-    if (!dynamic_maat)
-    {
-        return -1;
-    }
-
-    return 0;
-}
-
-void *tfe_bussiness_resouce_get(enum RESOURCE_TYPE type)
-{
-    if (type == STATIC)
-    {
-        return static_maat;
-    }
-    if (type == DYNAMINC)
-    {
-        return dynamic_maat;
-    }
-
-    return NULL;
-}
diff --git a/plugin/business/doh/src/doh.cpp b/plugin/business/doh/src/doh.cpp
index 835608f..1bb9e02 100644
--- a/plugin/business/doh/src/doh.cpp
+++ b/plugin/business/doh/src/doh.cpp
@@ -371,6 +371,9 @@ static void doh_ctx_free(struct doh_ctx *ctx)
 		ctx->doh_req = NULL;
 	}
 
+	Maat_clean_status(&(ctx->scan_mid));
+	ctx->scan_mid = NULL;
+
 	if (ctx->opts_num)
 	{
 		free(ctx->opts);