diff --git a/app/serializers/ckb_transaction_serializer.rb b/app/serializers/ckb_transaction_serializer.rb
index 462f1f13a..b7ce575dc 100644
--- a/app/serializers/ckb_transaction_serializer.rb
+++ b/app/serializers/ckb_transaction_serializer.rb
@@ -7,7 +7,7 @@ class CkbTransactionSerializer
   attributes :is_cellbase, :tx_status
 
   attribute :witnesses do |o|
-    o.witnesses&.map(&:data) || []
+    o.witnesses.order("index ASC")&.map(&:data) || []
   end
 
   attribute :cell_deps do |o|
diff --git a/test/controllers/api/v1/ckb_transactions_controller_test.rb b/test/controllers/api/v1/ckb_transactions_controller_test.rb
index 20984d54c..ff9586c86 100644
--- a/test/controllers/api/v1/ckb_transactions_controller_test.rb
+++ b/test/controllers/api/v1/ckb_transactions_controller_test.rb
@@ -30,7 +30,8 @@ class CkbTransactionsControllerTest < ActionDispatch::IntegrationTest
       test "should respond with 415 Unsupported Media Type when Content-Type is wrong" do
         ckb_transaction = create(:ckb_transaction)
 
-        get api_v1_ckb_transaction_url(ckb_transaction.tx_hash), headers: { "Content-Type": "text/plain" }
+        get api_v1_ckb_transaction_url(ckb_transaction.tx_hash),
+            headers: { "Content-Type": "text/plain" }
 
         assert_equal 415, response.status
       end
@@ -38,9 +39,11 @@ class CkbTransactionsControllerTest < ActionDispatch::IntegrationTest
       test "should respond with error object when Content-Type is wrong" do
         ckb_transaction = create(:ckb_transaction)
         error_object = Api::V1::Exceptions::InvalidContentTypeError.new
-        response_json = RequestErrorSerializer.new([error_object], message: error_object.title).serialized_json
+        response_json = RequestErrorSerializer.new([error_object],
+                                                   message: error_object.title).serialized_json
 
-        get api_v1_ckb_transaction_url(ckb_transaction.tx_hash), headers: { "Content-Type": "text/plain" }
+        get api_v1_ckb_transaction_url(ckb_transaction.tx_hash),
+            headers: { "Content-Type": "text/plain" }
 
         assert_equal response_json, response.body
       end
@@ -49,7 +52,8 @@ class CkbTransactionsControllerTest < ActionDispatch::IntegrationTest
         ckb_transaction = create(:ckb_transaction)
 
         get api_v1_ckb_transaction_url(ckb_transaction.tx_hash),
-            headers: { "Content-Type": "application/vnd.api+json", "Accept": "application/json" }
+            headers: { "Content-Type": "application/vnd.api+json",
+                       "Accept": "application/json" }
 
         assert_equal 406, response.status
       end
@@ -57,17 +61,20 @@ class CkbTransactionsControllerTest < ActionDispatch::IntegrationTest
       test "should respond with error object when Accept is wrong" do
         ckb_transaction = create(:ckb_transaction)
         error_object = Api::V1::Exceptions::InvalidAcceptError.new
-        response_json = RequestErrorSerializer.new([error_object], message: error_object.title).serialized_json
+        response_json = RequestErrorSerializer.new([error_object],
+                                                   message: error_object.title).serialized_json
 
         get api_v1_ckb_transaction_url(ckb_transaction.tx_hash),
-            headers: { "Content-Type": "application/vnd.api+json", "Accept": "application/json" }
+            headers: { "Content-Type": "application/vnd.api+json",
+                       "Accept": "application/json" }
 
         assert_equal response_json, response.body
       end
 
       test "should return error object when id is not a hex start with 0x" do
         error_object = Api::V1::Exceptions::CkbTransactionTxHashInvalidError.new
-        response_json = RequestErrorSerializer.new([error_object], message: error_object.title).serialized_json
+        response_json = RequestErrorSerializer.new([error_object],
+                                                   message: error_object.title).serialized_json
 
         valid_get api_v1_ckb_transaction_url("9034fwefwef")
 
@@ -76,7 +83,8 @@ class CkbTransactionsControllerTest < ActionDispatch::IntegrationTest
 
       test "should return error object when id is a hex start with 0x but it's length is wrong" do
         error_object = Api::V1::Exceptions::CkbTransactionTxHashInvalidError.new
-        response_json = RequestErrorSerializer.new([error_object], message: error_object.title).serialized_json
+        response_json = RequestErrorSerializer.new([error_object],
+                                                   message: error_object.title).serialized_json
 
         valid_get api_v1_ckb_transaction_url("0x9034fwefwef")
 
@@ -85,7 +93,8 @@ class CkbTransactionsControllerTest < ActionDispatch::IntegrationTest
 
       test "should return error object when no records found by id" do
         error_object = Api::V1::Exceptions::CkbTransactionNotFoundError.new
-        response_json = RequestErrorSerializer.new([error_object], message: error_object.title).serialized_json
+        response_json = RequestErrorSerializer.new([error_object],
+                                                   message: error_object.title).serialized_json
 
         valid_get api_v1_ckb_transaction_url("0x3b138b3126d10ec000417b68bc715f17e86293d6cdbcb3fd8a628ad4a0b756f6")
 
@@ -94,10 +103,16 @@ class CkbTransactionsControllerTest < ActionDispatch::IntegrationTest
 
       test "should return corresponding ckb transaction with given transaction hash" do
         ckb_transaction = create(:ckb_transaction)
+        create(:witness, index: 0, data: "0x", ckb_transaction:)
+        create(:witness, index: 1, data: "0x0102",
+                         ckb_transaction:)
 
         valid_get api_v1_ckb_transaction_url(ckb_transaction.tx_hash)
 
-        assert_equal CkbTransactionSerializer.new(ckb_transaction).serialized_json, response.body
+        assert_equal CkbTransactionSerializer.new(ckb_transaction).serialized_json,
+                     response.body
+        assert_equal "0x",
+                     JSON.parse(CkbTransactionSerializer.new(ckb_transaction).serialized_json)["data"]["attributes"]["witnesses"].first
       end
 
       test "should return pool tx when tx is in the pool" do
@@ -118,7 +133,8 @@ class CkbTransactionsControllerTest < ActionDispatch::IntegrationTest
         valid_get api_v1_ckb_transaction_url(ckb_transaction.tx_hash)
 
         response_tx_transaction = json["data"]
-        assert_equal TransactionKeys, response_tx_transaction["attributes"].keys.sort
+        assert_equal TransactionKeys,
+                     response_tx_transaction["attributes"].keys.sort
       end
 
       test "returned income should be null" do
@@ -134,7 +150,8 @@ class CkbTransactionsControllerTest < ActionDispatch::IntegrationTest
 
       test "should return all display_inputs" do
         block = create(:block, :with_block_hash)
-        ckb_transaction = create(:ckb_transaction, :with_multiple_inputs_and_outputs, block: block)
+        ckb_transaction = create(:ckb_transaction,
+                                 :with_multiple_inputs_and_outputs, block:)
 
         valid_get api_v1_ckb_transaction_url(ckb_transaction.tx_hash)
 
@@ -146,7 +163,8 @@ class CkbTransactionsControllerTest < ActionDispatch::IntegrationTest
 
       test "should return all display_outputs" do
         block = create(:block, :with_block_hash)
-        ckb_transaction = create(:ckb_transaction, :with_multiple_inputs_and_outputs, block: block)
+        ckb_transaction = create(:ckb_transaction,
+                                 :with_multiple_inputs_and_outputs, block:)
 
         valid_get api_v1_ckb_transaction_url(ckb_transaction.tx_hash)
 
@@ -169,51 +187,58 @@ class CkbTransactionsControllerTest < ActionDispatch::IntegrationTest
       end
 
       test "should respond with 415 Unsupported Media Type when call index and Content-Type is wrong" do
-        get api_v1_ckb_transactions_url, headers: { "Content-Type": "text/plain" }
+        get api_v1_ckb_transactions_url,
+            headers: { "Content-Type": "text/plain" }
 
         assert_equal 415, response.status
       end
 
       test "should respond with error object when call index and Content-Type is wrong" do
         error_object = Api::V1::Exceptions::InvalidContentTypeError.new
-        response_json = RequestErrorSerializer.new([error_object], message: error_object.title).serialized_json
+        response_json = RequestErrorSerializer.new([error_object],
+                                                   message: error_object.title).serialized_json
 
-        get api_v1_ckb_transactions_url, headers: { "Content-Type": "text/plain" }
+        get api_v1_ckb_transactions_url,
+            headers: { "Content-Type": "text/plain" }
 
         assert_equal response_json, response.body
       end
 
       test "should respond with 406 Not Acceptable when  call index and Accept is wrong" do
         get api_v1_ckb_transactions_url,
-            headers: { "Content-Type": "application/vnd.api+json", "Accept": "application/json" }
+            headers: { "Content-Type": "application/vnd.api+json",
+                       "Accept": "application/json" }
 
         assert_equal 406, response.status
       end
 
       test "should respond with error object when  call index and Accept is wrong" do
         error_object = Api::V1::Exceptions::InvalidAcceptError.new
-        response_json = RequestErrorSerializer.new([error_object], message: error_object.title).serialized_json
+        response_json = RequestErrorSerializer.new([error_object],
+                                                   message: error_object.title).serialized_json
 
         get api_v1_ckb_transactions_url,
-            headers: { "Content-Type": "application/vnd.api+json", "Accept": "application/json" }
+            headers: { "Content-Type": "application/vnd.api+json",
+                       "Accept": "application/json" }
 
         assert_equal response_json, response.body
       end
 
       test "should get serialized objects" do
         block = create(:block, :with_block_hash)
-        create_list(:ckb_transaction, 15, block: block)
+        create_list(:ckb_transaction, 15, block:)
 
         ckb_transactions = CkbTransaction.recent.limit(ENV["HOMEPAGE_TRANSACTIONS_RECORDS_COUNT"].to_i)
 
         valid_get api_v1_ckb_transactions_url
 
-        assert_equal CkbTransactionListSerializer.new(ckb_transactions).serialized_json, response.body
+        assert_equal CkbTransactionListSerializer.new(ckb_transactions).serialized_json,
+                     response.body
       end
 
       test "serialized objects should in reverse order of timestamp" do
         block = create(:block, :with_block_hash)
-        create_list(:ckb_transaction, 15, block: block)
+        create_list(:ckb_transaction, 15, block:)
 
         valid_get api_v1_ckb_transactions_url
 
@@ -226,7 +251,7 @@ class CkbTransactionsControllerTest < ActionDispatch::IntegrationTest
 
       test "should contain right keys in the serialized object" do
         block = create(:block, :with_block_hash)
-        create_list(:ckb_transaction, 15, block: block)
+        create_list(:ckb_transaction, 15, block:)
 
         valid_get api_v1_ckb_transactions_url
 
@@ -237,7 +262,7 @@ class CkbTransactionsControllerTest < ActionDispatch::IntegrationTest
 
       test "should return the corresponding number of ckb transactions " do
         block = create(:block, :with_block_hash)
-        create_list(:ckb_transaction, 30, block: block)
+        create_list(:ckb_transaction, 30, block:)
 
         valid_get api_v1_ckb_transactions_url
 
@@ -261,9 +286,10 @@ class CkbTransactionsControllerTest < ActionDispatch::IntegrationTest
 
       test "should return error object when page param is invalid" do
         block = create(:block, :with_block_hash)
-        create_list(:ckb_transaction, 15, block: block)
+        create_list(:ckb_transaction, 15, block:)
         error_object = Api::V1::Exceptions::PageParamError.new
-        response_json = RequestErrorSerializer.new([error_object], message: error_object.title).serialized_json
+        response_json = RequestErrorSerializer.new([error_object],
+                                                   message: error_object.title).serialized_json
 
         valid_get api_v1_ckb_transactions_url, params: { page: "aaa" }
 
@@ -272,9 +298,10 @@ class CkbTransactionsControllerTest < ActionDispatch::IntegrationTest
 
       test "should return error object when page size param is invalid" do
         block = create(:block, :with_block_hash)
-        create_list(:ckb_transaction, 15, block: block)
+        create_list(:ckb_transaction, 15, block:)
         error_object = Api::V1::Exceptions::PageSizeParamError.new
-        response_json = RequestErrorSerializer.new([error_object], message: error_object.title).serialized_json
+        response_json = RequestErrorSerializer.new([error_object],
+                                                   message: error_object.title).serialized_json
 
         valid_get api_v1_ckb_transactions_url, params: { page_size: "aaa" }
 
@@ -284,19 +311,21 @@ class CkbTransactionsControllerTest < ActionDispatch::IntegrationTest
       test "should return error object when page and page size param are invalid" do
         errors = []
         block = create(:block, :with_block_hash)
-        create_list(:ckb_transaction, 15, block: block)
+        create_list(:ckb_transaction, 15, block:)
         errors << Api::V1::Exceptions::PageParamError.new
         errors << Api::V1::Exceptions::PageSizeParamError.new
-        response_json = RequestErrorSerializer.new(errors, message: errors.first.title).serialized_json
+        response_json = RequestErrorSerializer.new(errors,
+                                                   message: errors.first.title).serialized_json
 
-        valid_get api_v1_ckb_transactions_url, params: { page: "bbb", page_size: "aaa" }
+        valid_get api_v1_ckb_transactions_url,
+                  params: { page: "bbb", page_size: "aaa" }
 
         assert_equal response_json, response.body
       end
 
       test "should return 15 records when page and page_size are not set" do
         block = create(:block, :with_block_hash)
-        create_list(:ckb_transaction, 20, block: block)
+        create_list(:ckb_transaction, 20, block:)
 
         valid_get api_v1_ckb_transactions_url
 
@@ -306,12 +335,14 @@ class CkbTransactionsControllerTest < ActionDispatch::IntegrationTest
       test "should return corresponding page's records when page is set and page_size is not set" do
         page = 2
         block = create(:block, :with_block_hash)
-        create_list(:ckb_transaction, 20, block: block)
+        create_list(:ckb_transaction, 20, block:)
         ckb_transactions = CkbTransaction.recent.limit(ENV["HOMEPAGE_TRANSACTIONS_RECORDS_COUNT"].to_i)
 
-        valid_get api_v1_ckb_transactions_url, params: { page: page }
+        valid_get api_v1_ckb_transactions_url, params: { page: }
 
-        response_ckb_transactions = CkbTransactionListSerializer.new(ckb_transactions, {}).serialized_json
+        response_ckb_transactions = CkbTransactionListSerializer.new(
+          ckb_transactions, {}
+        ).serialized_json
 
         assert_equal response_ckb_transactions, response.body
         assert_equal 15, json["data"].size
@@ -319,33 +350,41 @@ class CkbTransactionsControllerTest < ActionDispatch::IntegrationTest
 
       test "should return the corresponding number of ckb_transactions when page is not set and page_size is set" do
         block = create(:block, :with_block_hash)
-        create_list(:ckb_transaction, 20, block: block)
+        create_list(:ckb_transaction, 20, block:)
 
         valid_get api_v1_ckb_transactions_url, params: { page_size: 12 }
 
         ckb_transactions = CkbTransaction.recent.limit(ENV["HOMEPAGE_TRANSACTIONS_RECORDS_COUNT"].to_i)
-        response_ckb_transactions = CkbTransactionListSerializer.new(ckb_transactions, {}).serialized_json
+        response_ckb_transactions = CkbTransactionListSerializer.new(
+          ckb_transactions, {}
+        ).serialized_json
 
         assert_equal response_ckb_transactions, response.body
-        assert_equal [false], CkbTransaction.where(id: json["data"].map { |tx| tx.dig("id") }).pluck(:is_cellbase).uniq
+        assert_equal [false], CkbTransaction.where(id: json["data"].map do |tx|
+                                                         tx.dig("id")
+                                                       end).pluck(:is_cellbase).uniq
         assert_equal 15, json["data"].size
       end
 
       test "should return the corresponding transactions when page and page_size are set" do
         block = create(:block, :with_block_hash)
-        create_list(:ckb_transaction, 15, block: block)
+        create_list(:ckb_transaction, 15, block:)
         create(:table_record_count, :block_counter, count: Block.count)
-        create(:table_record_count, :ckb_transactions_counter, count: CkbTransaction.count)
+        create(:table_record_count, :ckb_transactions_counter,
+               count: CkbTransaction.count)
         page = 2
         page_size = 5
         ckb_transactions = CkbTransaction.recent.page(page).per(page_size)
 
-        valid_get api_v1_ckb_transactions_url, params: { page: page, page_size: page_size }
+        valid_get api_v1_ckb_transactions_url,
+                  params: { page:, page_size: }
 
         records_counter = RecordCounters::Transactions.new
-        options = FastJsonapi::PaginationMetaGenerator.new(request: request, records: ckb_transactions, page: page,
-                                                           page_size: page_size, records_counter: records_counter).call
-        response_ckb_transactions = CkbTransactionListSerializer.new(ckb_transactions, options).serialized_json
+        options = FastJsonapi::PaginationMetaGenerator.new(request:, records: ckb_transactions, page:,
+                                                           page_size:, records_counter:).call
+        response_ckb_transactions = CkbTransactionListSerializer.new(
+          ckb_transactions, options
+        ).serialized_json
         assert_equal response_ckb_transactions, response.body
       end
 
@@ -353,15 +392,17 @@ class CkbTransactionsControllerTest < ActionDispatch::IntegrationTest
         page = 1
         page_size = 10
         address = create(:address, :with_transactions)
+
         ckb_transactions = address.ckb_transactions.order(block_timestamp: :desc).page(page).per(page_size)
 
-        valid_post api_v1_query_ckb_transactions_url, params: { address: address.address_hash }
+        valid_post api_v1_query_ckb_transactions_url,
+                   params: { address: address.address_hash }
 
         records_counter = RecordCounters::AddressTransactions.new(address)
-        options = FastJsonapi::PaginationMetaGenerator.new(request: request, records: ckb_transactions, page: page,
-                                                           page_size: page_size, records_counter: records_counter).call
+        options = FastJsonapi::PaginationMetaGenerator.new(request:, records: ckb_transactions, page:,
+                                                           page_size:, records_counter:).call
 
-        assert_equal CkbTransactionsSerializer.new(ckb_transactions, options.merge(params: { previews: true, address: address })).serialized_json,
+        assert_equal CkbTransactionsSerializer.new(ckb_transactions, options.merge(params: { previews: true, address: })).serialized_json,
                      response.body
       end
     end