diff --git a/platform/src/policy.cpp b/platform/src/policy.cpp
index 1898f6d..9ee012c 100644
--- a/platform/src/policy.cpp
+++ b/platform/src/policy.cpp
@@ -341,7 +341,7 @@ static void chaining_param_new_cb(const char *table_name, int table_id, const ch
     }
 
     param = (struct chaining_param *)calloc(1, sizeof(struct chaining_param));
-    param->rule_id = atoll(key);
+    param->rule_id = *((uint64_t *)key);
     param->ref_cnt = 1;
 
     // vsys_id
@@ -499,7 +499,7 @@ static void sff_param_new_cb(const char *table_name, int table_id, const char *k
     }
 
     param = (struct sff_param *)calloc(1, sizeof(struct sff_param));
-    param->sff_profile_id = atoi(key);
+    param->sff_profile_id = *((int *)key);
     param->sff_ref_cnt = 1;
 
     // type
@@ -736,7 +736,7 @@ static void sf_param_new_cb(const char *table_name, int table_id, const char *ke
 
     param = (struct sf_param *)calloc(1, sizeof(struct sf_param));
     param->sf_vsys_id = vsys_id;
-    param->sf_profile_id = atoi(key);
+    param->sf_profile_id = *((int *)key);
     param->sf_ref_cnt = 1;
 
     // device_group
@@ -1223,19 +1223,18 @@ static void select_sf_by_ldbc(struct sff_param *sff_param, struct selected_sf *s
 
 static void select_sf_from_sff(struct policy_enforcer *enforcer, struct sff_param *sff_param, struct selected_sf *selected_sf, struct session_ctx *s_ctx, uint64_t packet_hash)
 {
+    int profile_id;
     UT_array *sf_array;
     UT_icd sf_icd = {sizeof(struct sf_param), NULL, NULL, NULL};
     utarray_new(sf_array, &sf_icd);
 
     for (int i = 0; i < sff_param->sf_profile_ids_num; i++)
     {
-        char profile_id[16] = {0};
-        snprintf(profile_id, sizeof(profile_id), "%u", sff_param->sf_profile_ids[i]);
-
-        struct sf_param *sf = (struct sf_param *)maat_plugin_table_get_ex_data(enforcer->maat, enforcer->sf_table_id, profile_id, strlen(profile_id));
+        profile_id = sff_param->sf_profile_ids[i];
+        struct sf_param *sf = (struct sf_param *)maat_plugin_table_get_ex_data(enforcer->maat, enforcer->sf_table_id, (const char *)&profile_id, sizeof(profile_id));
         if (sf == NULL)
         {
-            LOG_ERROR("%s: failed to get sf parameter of profile %d", LOG_TAG_POLICY, sff_param->sf_profile_ids[i]);
+            LOG_ERROR("%s: failed to get sf parameter of profile %d", LOG_TAG_POLICY, profile_id);
             continue;
         }
 
@@ -1674,11 +1673,9 @@ int policy_enforce_chaining_size(struct policy_enforcer *enforcer)
 
 void policy_enforce_select_chainings(struct policy_enforcer *enforcer, struct selected_chainings *chainings, struct session_ctx *s_ctx, struct packet *data_pkt, uint64_t rule_id, int dir_is_i2e)
 {
-    char buffer[16] = {0};
+    int sff_profile_id;
     struct selected_chaining *chaining = NULL;
-
-    snprintf(buffer, sizeof(buffer), "%lu", rule_id);
-    struct chaining_param *chaining_param = (struct chaining_param *)maat_plugin_table_get_ex_data(enforcer->maat, enforcer->compile_table_id, buffer, strlen(buffer));
+    struct chaining_param *chaining_param = (struct chaining_param *)maat_plugin_table_get_ex_data(enforcer->maat, enforcer->compile_table_id, (const char *)&rule_id, sizeof(rule_id));
     if (chaining_param == NULL)
     {
         LOG_ERROR("%s: session %lu %s failed to get chaining parameter of policy %lu", LOG_TAG_POLICY, s_ctx->session_id, s_ctx->session_addr, rule_id);
@@ -1700,12 +1697,11 @@ void policy_enforce_select_chainings(struct policy_enforcer *enforcer, struct se
         struct selected_sf *selected_sf = &(chaining->chaining[chaining->chaining_used]);
         selected_sf_init(selected_sf);
 
-        memset(buffer, 0, sizeof(buffer));
-        snprintf(buffer, sizeof(buffer), "%u", chaining_param->sff_profile_ids[i]);
-        struct sff_param *sff_param = (struct sff_param *)maat_plugin_table_get_ex_data(enforcer->maat, enforcer->sff_table_id, buffer, strlen(buffer));
+        sff_profile_id = chaining_param->sff_profile_ids[i];
+        struct sff_param *sff_param = (struct sff_param *)maat_plugin_table_get_ex_data(enforcer->maat, enforcer->sff_table_id, (const char *)&sff_profile_id, sizeof(sff_profile_id));
         if (sff_param == NULL)
         {
-            LOG_ERROR("%s: session %lu %s failed to get sff parameter of profile %d, bypass current sff !!!", LOG_TAG_POLICY, chaining->session_id, chaining->session_addr, chaining_param->sff_profile_ids[i]);
+            LOG_ERROR("%s: session %lu %s failed to get sff parameter of profile %d, bypass current sff !!!", LOG_TAG_POLICY, chaining->session_id, chaining->session_addr, sff_profile_id);
             continue;
         }
 
@@ -1715,7 +1711,7 @@ void policy_enforce_select_chainings(struct policy_enforcer *enforcer, struct se
         selected_sf->traffic_type = chaining_param->traffic_type;
 
         // sff info
-        selected_sf->sff_profile_id = chaining_param->sff_profile_ids[i];
+        selected_sf->sff_profile_id = sff_profile_id;
         selected_sf->sff_forward_type = sff_param->sff_forward_type;
 
         // sf_index
diff --git a/resource/table_info.conf b/resource/table_info.conf
index 18d53e0..2b06cac 100644
--- a/resource/table_info.conf
+++ b/resource/table_info.conf
@@ -6,7 +6,8 @@
         "valid_column":8,
         "custom":{
             "key":1,
-            "key_type":"pointer"
+            "key_type":"integer",
+            "key_len":8
         }
     },
     {
@@ -16,7 +17,8 @@
         "valid_column":8,
         "custom":{
             "key":1,
-            "key_type":"pointer"
+            "key_type":"integer",
+            "key_len":4
         }
     },
     {
@@ -26,7 +28,8 @@
         "valid_column":7,
         "custom":{
             "key":1,
-            "key_type":"pointer"
+            "key_type":"integer",
+            "key_len":4
         }
     }
 ]
\ No newline at end of file