diff --git a/design/admin-update-common-config.puml b/design/admin-update-common-config.puml
deleted file mode 100644
index aab7881..0000000
--- a/design/admin-update-common-config.puml
+++ /dev/null
@@ -1,42 +0,0 @@
-@startuml 1
-title Lock From Eth to Mina
-actor User
-boundary fe as "Frontend"
-control be as "Backend"
-participant Ethereum
-control evm_crawler as "EVM crawler"
-control job_provider as "Job provider"
-database db as "Database"
-queue queue1 as "Queue"
-control mina_validator as "Mina signature validators"
-control mina_sender as "Mina tx sender"
-control mina_crawler as "Mina crawler"
-participant Mina
-autonumber
-
-group#LightGreen (1) User lock token from Evm
-
-    User -> fe : select network to bridge
-
-    activate fe
-    fe -> be : get list of token pairs
-    activate be
-    be --> fe : list of token pairs
-    deactivate be
-
-    User -> fe: select destination wallet, amount
-    fe --> User: display amount, tip, fee
-    User -> fe: perform bridge action
-    fe -> Ethereum: call lock tx using user's wallet
-    activate Ethereum
-    Ethereum --> fe: tx status success
-    deactivate Ethereum
-
-    fe --> User: show popup success
-    deactivate fe
-
-
-end
-
-@enduml
-
diff --git a/design/admin-update-eth-bridge-config.puml b/design/admin-update-eth-bridge-config.puml
index e69de29..0d7b95d 100644
--- a/design/admin-update-eth-bridge-config.puml
+++ b/design/admin-update-eth-bridge-config.puml
@@ -0,0 +1,35 @@
+@startuml 1
+title Admin update tip and daily quota
+actor User
+boundary fe as "Frontend"
+control be as "Backend"
+database Database
+autonumber
+group#LightGreen Admin changes tip, daily quota for Evm/Mina
+
+    User -> fe : Logged in with Evm/Mina wallet
+
+    note right
+        Both Evm and Mina admin accounts
+        can changes these settings.
+    end note
+    activate fe
+    fe --> User : show configuration screen
+    deactivate fe
+    User -> fe : enter new tip, daily quota value.
+    activate fe
+    fe -> be: call api PUT: /api/admin/update-common-config/:configId
+    activate be
+
+    be -> Database: persist changes
+    activate Database
+    Database --> be: update successfully
+    deactivate Database
+    be --> fe: api response 201
+    deactivate be
+    fe --> User: popup success
+    deactivate fe
+end
+
+@enduml
+
diff --git a/design/admin-update-min-max.puml b/design/admin-update-min-max.puml
new file mode 100644
index 0000000..b57506a
--- /dev/null
+++ b/design/admin-update-min-max.puml
@@ -0,0 +1,35 @@
+@startuml 1
+title Admin config min max amount
+actor User
+boundary fe as "Frontend"
+participant wallet as "Metamask/ Auro Wallet"
+participant network as "Mina/Eth"
+autonumber
+group#LightGreen Admin change min max amount to bridge Evm/Mina
+
+    User -> fe : Logged in with Evm/Mina wallet
+    note right
+        Evm admin account can change Evm brige
+        configuration only and so does Mina admin account.
+    end note
+    activate fe
+    fe --> User : show Evm configuration screen
+    deactivate fe
+    User -> fe : enter new Min, Max value to Evm/Mina bridge
+    activate fe
+    fe -> wallet: trigger wallet for user confirmation
+    activate wallet
+    wallet --> User: show estimate fee dialog
+    User -> wallet: confirm transaction
+    wallet -> network: submit transaction
+    activate network
+    network --> wallet: status success
+    deactivate network
+    wallet --> fe: send tx success status
+    fe --> User: shop pop up success
+    deactivate fe
+    deactivate wallet
+end
+
+@enduml
+
diff --git a/src/modules/crawler/job-unlock.provider.ts b/src/modules/crawler/job-unlock.provider.ts
index ab8d86a..e7b1279 100644
--- a/src/modules/crawler/job-unlock.provider.ts
+++ b/src/modules/crawler/job-unlock.provider.ts
@@ -20,6 +20,8 @@ import { IGenerateSignature, IJobUnlockPayload, IUnlockToken } from './interface
 
 @Injectable()
 export class JobUnlockProvider {
+  private readonly signatureJobBackOff = 5 * 1000;
+  private readonly sendTxJobBackOff = 60 * 1000;
   constructor(
     private readonly queueService: QueueService,
     private readonly configService: ConfigService,
@@ -134,7 +136,7 @@ export class JobUnlockProvider {
         },
         {
           attempts: 5,
-          backoff: 5000,
+          backoff: this.signatureJobBackOff,
           jobId: `validate-signature-${data.eventLogId}-${i}`,
         },
       );
@@ -156,7 +158,7 @@ export class JobUnlockProvider {
       },
       {
         attempts: 5,
-        backoff: 5000,
+        backoff: this.sendTxJobBackOff,
         jobId: `send-tx-${data.eventLogId}`,
       },
     );
@@ -171,7 +173,6 @@ export class JobUnlockProvider {
       await this.eventLogRepository.sumAmountBridgeOfUserInDay(address),
     ]);
     assert(!!dailyQuota, 'daily quota undefined');
-    console.log(totalamount, addDecimal(dailyQuota.dailyQuota, fromDecimal));
 
     if (totalamount && BigNumber(totalamount.totalamount).isLessThan(addDecimal(dailyQuota.dailyQuota, fromDecimal))) {
       return false;