diff --git a/app/controllers/api/v1/udt_transactions_controller.rb b/app/controllers/api/v1/udt_transactions_controller.rb
index 741553efc..0d9012dc2 100644
--- a/app/controllers/api/v1/udt_transactions_controller.rb
+++ b/app/controllers/api/v1/udt_transactions_controller.rb
@@ -20,8 +20,8 @@ def show
           address = Address.find_address!(params[:address_hash])
           raise Api::V1::Exceptions::AddressNotFoundError if address.is_a?(NullAddress)
 
-          ckb_transactions = ckb_transactions.includes(:contained_udt_addresses).
-            where(address_udt_transactions: { address_id: address.id })
+          ckb_transactions = ckb_transactions.joins(:account_books).
+            where(account_books: { address_id: address.id })
         end
 
         if stale?(ckb_transactions)
diff --git a/app/models/block.rb b/app/models/block.rb
index 0beefadc4..838cc73b5 100644
--- a/app/models/block.rb
+++ b/app/models/block.rb
@@ -235,13 +235,20 @@ def self.find_block!(query_key)
   end
 
   def self.cached_find(query_key)
-    Rails.cache.fetch([name, query_key], race_condition_ttl: 3.seconds) do
-      if QueryKeyUtils.valid_hex?(query_key)
-        block = where(block_hash: query_key).first
-      else
-        block = where(number: query_key).first
+    if Rails.cache.exist?([name, query_key])
+      Rails.cache.read([name, query_key])
+    else
+      block =
+        if QueryKeyUtils.valid_hex?(query_key)
+          where(block_hash: query_key).first
+        else
+          where(number: query_key).first
+        end
+      if block.present?
+        Rails.cache.fetch([name, query_key], race_condition_ttl: 3.seconds, expires_in: 30.minutes) do
+          BlockSerializer.new(block)
+        end
       end
-      BlockSerializer.new(block) if block.present?
     end
   end
 
diff --git a/test/models/block_test.rb b/test/models/block_test.rb
index c5f2f2bd9..82355a38d 100644
--- a/test/models/block_test.rb
+++ b/test/models/block_test.rb
@@ -98,7 +98,9 @@ class BlockTest < ActiveSupport::TestCase
     assert_not_empty local_block.ckb_transactions
 
     VCR.use_cassette("blocks/#{DEFAULT_NODE_BLOCK_NUMBER}") do
-      assert_changes -> { CkbTransaction.where(block: local_block).count }, from: local_block.ckb_transactions.count, to: 0 do
+      assert_changes -> {
+                       CkbTransaction.where(block: local_block).count
+                     }, from: local_block.ckb_transactions.count, to: 0 do
         local_block.invalid!
       end
     end
@@ -138,7 +140,9 @@ class BlockTest < ActiveSupport::TestCase
     assert_not_empty origin_lock_scripts
 
     VCR.use_cassette("blocks/#{DEFAULT_NODE_BLOCK_NUMBER}") do
-      assert_changes -> { CellOutput.where(block: local_block).map(&:lock_script).count }, from: origin_lock_scripts.count, to: 0 do
+      assert_changes -> {
+                       CellOutput.where(block: local_block).map(&:lock_script).count
+                     }, from: origin_lock_scripts.count, to: 0 do
         local_block.invalid!
       end
     end
@@ -152,7 +156,9 @@ class BlockTest < ActiveSupport::TestCase
     assert_not_empty origin_type_scripts
 
     VCR.use_cassette("blocks/#{DEFAULT_NODE_BLOCK_NUMBER}") do
-      assert_changes -> { CellOutput.where(block: local_block).map(&:type_script).count }, from: origin_type_scripts.count, to: 0 do
+      assert_changes -> {
+                       CellOutput.where(block: local_block).map(&:type_script).count
+                     }, from: origin_type_scripts.count, to: 0 do
         local_block.invalid!
       end
     end
@@ -218,7 +224,8 @@ class BlockTest < ActiveSupport::TestCase
       block = Block.find_by(number: HAS_UNCLES_BLOCK_NUMBER)
       uncle_block_hashes = block.uncle_block_hashes
 
-      assert_equal unpack_array_attribute(block, "uncle_block_hashes", block.uncles_count, Settings.default_hash_length), uncle_block_hashes
+      assert_equal unpack_array_attribute(block, "uncle_block_hashes", block.uncles_count, Settings.default_hash_length),
+                   uncle_block_hashes
     end
   end
 
@@ -226,7 +233,8 @@ class BlockTest < ActiveSupport::TestCase
     block = create(:block, :with_uncle_block_hashes)
     uncle_block_hashes = block.uncle_block_hashes
 
-    assert_equal unpack_array_attribute(block, "uncle_block_hashes", block.uncles_count, Settings.default_hash_length), uncle_block_hashes
+    assert_equal unpack_array_attribute(block, "uncle_block_hashes", block.uncles_count, Settings.default_hash_length),
+                 uncle_block_hashes
   end
 
   test "#proposals should decodes packed string" do
@@ -246,14 +254,16 @@ class BlockTest < ActiveSupport::TestCase
       block = Block.find_by(number: HAS_UNCLES_BLOCK_NUMBER)
       proposals = block.proposals
 
-      assert_equal unpack_array_attribute(block, "proposals", block.proposals_count, Settings.default_short_hash_length), proposals
+      assert_equal unpack_array_attribute(block, "proposals", block.proposals_count, Settings.default_short_hash_length),
+                   proposals
     end
   end
 
   test "#proposals should return super when proposal transactions is empty" do
     block = create(:block, :with_proposals)
     proposals = block.proposals
-    assert_equal unpack_array_attribute(block, "proposals", block.proposals_count, Settings.default_short_hash_length), proposals
+    assert_equal unpack_array_attribute(block, "proposals", block.proposals_count, Settings.default_short_hash_length),
+                 proposals
   end
 
   test "#proposals= should encode proposals" do
@@ -262,7 +272,8 @@ class BlockTest < ActiveSupport::TestCase
     block.proposals_count = block.proposals.size
     block.save
 
-    assert_equal unpack_array_attribute(block, "proposals", block.proposals_count, Settings.default_short_hash_length), block.proposals
+    assert_equal unpack_array_attribute(block, "proposals", block.proposals_count, Settings.default_short_hash_length),
+                 block.proposals
   end
 
   test "it should get last_7_days_ckb_node_version" do
@@ -276,7 +287,8 @@ class BlockTest < ActiveSupport::TestCase
 
   test "it should update_counter_for_ckb_node_version" do
     block1 = create(:block, block_hash: "001")
-    tx = create(:ckb_transaction, is_cellbase: true, block_id: block1.id, witnesses: ["0x640000000c00000055000000490000001000000030000000310000009bd7e06f3ecf4be0f2fcd2188b23f1b9fcc88e5d4b65a8637b17723bbda3cce801140000004a336470564d07ca7059b7980481c2d59809d6370b000000302e3130342e3120282029"])
+    tx = create(:ckb_transaction, is_cellbase: true, block_id: block1.id,
+                                  witnesses: ["0x640000000c00000055000000490000001000000030000000310000009bd7e06f3ecf4be0f2fcd2188b23f1b9fcc88e5d4b65a8637b17723bbda3cce801140000004a336470564d07ca7059b7980481c2d59809d6370b000000302e3130342e3120282029"])
 
     block1.update_counter_for_ckb_node_version
 
@@ -285,15 +297,23 @@ class BlockTest < ActiveSupport::TestCase
 
   test "it should update the block version" do
     block2 = create(:block, :with_block_hash)
-    tx = create(:ckb_transaction, is_cellbase: true, block: block2, witnesses: ["0x800000000c00000055000000490000001000000030000000310000009bd7e06f3ecf4be0f2fcd2188b23f1b9fcc88e5d4b65a8637b17723bbda3cce80114000000dde7801c073dfb3464c7b1f05b806bb2bbb84e9927000000302e3130332e302028353161383134612d646972747920323032322d30342d3230292000000000"])
+    tx = create(:ckb_transaction, is_cellbase: true, block: block2,
+                                  witnesses: ["0x800000000c00000055000000490000001000000030000000310000009bd7e06f3ecf4be0f2fcd2188b23f1b9fcc88e5d4b65a8637b17723bbda3cce80114000000dde7801c073dfb3464c7b1f05b806bb2bbb84e9927000000302e3130332e302028353161383134612d646972747920323032322d30342d3230292000000000"])
     block3 = create(:block, :with_block_hash)
-    tx = create(:ckb_transaction, is_cellbase: true, block: block3, witnesses: ["0x640000000c00000055000000490000001000000030000000310000009bd7e06f3ecf4be0f2fcd2188b23f1b9fcc88e5d4b65a8637b17723bbda3cce801140000004a336470564d07ca7059b7980481c2d59809d6370b000000302e3130342e3120282029"])
+    tx = create(:ckb_transaction, is_cellbase: true, block: block3,
+                                  witnesses: ["0x640000000c00000055000000490000001000000030000000310000009bd7e06f3ecf4be0f2fcd2188b23f1b9fcc88e5d4b65a8637b17723bbda3cce801140000004a336470564d07ca7059b7980481c2d59809d6370b000000302e3130342e3120282029"])
 
     Block.set_ckb_node_versions_from_miner_message
     assert_equal GlobalStatistic.find_by(name: "ckb_node_version_0.104.1").value, 1
     assert_equal GlobalStatistic.find_by(name: "ckb_node_version_0.103.0").value, 1
   end
 
+  test "cached_find not always return nil" do
+    assert_nil Block.cached_find("111111")
+    create(:block, number: 111111)
+    assert_not_nil Block.cached_find("111111")
+  end
+
   def node_data_processor
     CkbSync::NewNodeDataProcessor.new
   end