diff --git a/src/main/resources/application-dev.properties b/src/main/resources/application-dev.properties
index 5cbffad1..c5e8ddb4 100644
--- a/src/main/resources/application-dev.properties
+++ b/src/main/resources/application-dev.properties
@@ -82,4 +82,5 @@ redis.key.resultMap=ResultMap
 redis.key.orderForSR=OrderForSR
 redis.key.SRCancelSet=SRCancelSet
 redis.key.SRExceptionMap=SRExceptionMap
-redis.key.taskList=TaskList
\ No newline at end of file
+redis.key.taskList=TaskList
+redis.key.credits.pre-deduction=Credits:PreDeduction
\ No newline at end of file
diff --git a/src/main/resources/paypal-sandbox.properties b/src/main/resources/paypal-sandbox.properties
index aea3ac83..cb35664d 100644
--- a/src/main/resources/paypal-sandbox.properties
+++ b/src/main/resources/paypal-sandbox.properties
@@ -1,20 +1,20 @@
-#  developer-sandbox
-#paypal.client-id=ATbaebYi7-GXWRWJqwRLYMzKEbwjh4BFRqD4Y13i4lZq0rplWIM_IpPrtPKpdkAt_KrPXd6IJTwsDqa5
-#paypal.client-secret=EHWWJqGmmbfjLXqCUpGrvxRYBPPtWvA3hR5ZaAyHlGSVJiHoQPS8skbNaJ9h39VObnchUbgiY2pPu__s
-#paypal.receiver.email=sb-ukxfk29608925@business.example.com
-#paypal.mode=sandbox
-#paypal.webhook_id=31797347YC028794L
+#  developer-sandbox-xp
+paypal.client-id=ATbaebYi7-GXWRWJqwRLYMzKEbwjh4BFRqD4Y13i4lZq0rplWIM_IpPrtPKpdkAt_KrPXd6IJTwsDqa5
+paypal.client-secret=EHWWJqGmmbfjLXqCUpGrvxRYBPPtWvA3hR5ZaAyHlGSVJiHoQPS8skbNaJ9h39VObnchUbgiY2pPu__s
+paypal.receiver.email=sb-ukxfk29608925@business.example.com
+paypal.mode=sandbox
+paypal.webhook_id=31797347YC028794L
 
-#  aida-sandbox
+#  aida-sandbox-kim
 #paypal.client-id=AbDDH8jnTrKqjnWLFgEu6LogYzVz2ZLuirE4W54t1M4lrofrP5OzXfhbxqktLLFB-rAO9KeYQVYFJ_tO
 #paypal.client-secret=EOOoiIAe_dyR2YhY7qCIqWipZvYXCDrmBlFYchphuvkPFms1spsBGTlStlrx580y4hN-EukWwF9m_LAs
 #paypal.receiver.email=sb-4xe8i29784722@business.example.com
 #paypal.mode=sandbox
 #paypal.webhook_id=1WH327112B602422N
 
-#  aida-live
-paypal.client-id=ASWSIZ3MXJU5w5VOeOHeigWcSw6iinl30ZCipruziKpHclxP0ryf8-7VKG1Ba2VwZwa2DMvGEzTfCTgz
-paypal.client-secret=EHQg_K5PSqmp4FJlzEcOEH_kFkmq4aBzaI7jridw53L6cOQRULBAnfv2KakRfrsqaU1PDSkO4Co9Vyxc
-paypal.receiver.email=kimwong@code-create.com.hk
-paypal.mode=live
-paypal.webhook_id=41L14847MC833625B
\ No newline at end of file
+#  aida-live-kim
+#paypal.client-id=ASWSIZ3MXJU5w5VOeOHeigWcSw6iinl30ZCipruziKpHclxP0ryf8-7VKG1Ba2VwZwa2DMvGEzTfCTgz
+#paypal.client-secret=EHQg_K5PSqmp4FJlzEcOEH_kFkmq4aBzaI7jridw53L6cOQRULBAnfv2KakRfrsqaU1PDSkO4Co9Vyxc
+#paypal.receiver.email=kimwong@code-create.com.hk
+#paypal.mode=live
+#paypal.webhook_id=41L14847MC833625B
\ No newline at end of file