diff --git a/tools/apr_v2_calculation.py b/tools/apr_v2_calculation.py
index 036d4f3..4ce8725 100644
--- a/tools/apr_v2_calculation.py
+++ b/tools/apr_v2_calculation.py
@@ -7,6 +7,7 @@
 
 URL = 'wss://docker-test.peaq.network'
 URL = 'wss://mpfn1.peaq.network'
+# URL = 'wss://wss-async.agung.peaq.network'
 INFLAITON_PERCENTAGE = 0.035
 COLLATR_DELEGATOR_PERCENTAGE = 0.40
 TOTAL_ISSUANCE_NUMBER = 4.2 * 10 ** 9 * 10 ** 18
@@ -35,12 +36,12 @@
     for k, v in in_candidate_pool.items():
         print(f'collator: {k}')
         print(f'    collator total: {v["total"]}')
-        # commission_rate = v['commission'] / 10000000
-        commission_rate = 0.1
+        # commission_rate = v['commission'] / 1000000
+        commission_rate = 0.0
         print(f'    commission rate: {commission_rate}')
         for delegator in v['delegators']:
             print(f'    delegator: {delegator["owner"]}')
             print(f'        delegator stake: {delegator["amount"]}')
-            print(f'        delegator apr: {(INFLAITON_PERCENTAGE * COLLATR_DELEGATOR_PERCENTAGE * TOTAL_ISSUANCE_NUMBER * (1 - commission_rate) * delegator["amount"] / total_staking_number / delegator["amount"] * 100)}')
+            print(f'        delegator apr: {(INFLAITON_PERCENTAGE * COLLATR_DELEGATOR_PERCENTAGE * TOTAL_ISSUANCE_NUMBER * (1 - commission_rate) / total_staking_number * 100)}')  # noqa
             print(f'        sum: {total_staking_number}')
-        print(f'     collator apr: {(INFLAITON_PERCENTAGE * COLLATR_DELEGATOR_PERCENTAGE * TOTAL_ISSUANCE_NUMBER * (v["stake"] + commission_rate * sum([delegator["amount"] for delegator in v["delegators"]])) / total_staking_number / v["stake"] * 100)}')
+        print(f'     collator apr: {(INFLAITON_PERCENTAGE * COLLATR_DELEGATOR_PERCENTAGE * TOTAL_ISSUANCE_NUMBER * (v["stake"] + commission_rate * sum([delegator["amount"] for delegator in v["delegators"]])) / total_staking_number / v["stake"] * 100)}')  # noqa
diff --git a/tools/stress/stress_token_economy_v2.py b/tools/stress/stress_token_economy_v2.py
index a7b464c..2b49830 100644
--- a/tools/stress/stress_token_economy_v2.py
+++ b/tools/stress/stress_token_economy_v2.py
@@ -133,6 +133,8 @@ def calculate_total_staking_ratio(staking_info, collator_block_info):
 
     for collator_addr, collator_stake_info in staking_info.items():
         staking_ratio = {}
+        if collator_addr not in collator_block_info:
+            continue
         block_generated_num = float(collator_block_info[collator_addr])
         commission = float(collator_stake_info['commission']) / 10 ** 6
 
@@ -153,6 +155,8 @@ def calculate_total_staking_ratio(staking_info, collator_block_info):
 def caculate_total_staking_num(staking_info, collator_block_info):
     total_staking_num = 0
     for collator_addr, collator_stake_info in staking_info.items():
+        if collator_addr not in collator_block_info:
+            continue
         block_generated_num = collator_block_info[collator_addr]
         total_staking_num += block_generated_num * collator_stake_info['stake']
         for delegator_info in collator_stake_info['delegators']: