diff --git a/app/controllers/api/v2/scripts_controller.rb b/app/controllers/api/v2/scripts_controller.rb
index df57f2c86..e43a872d6 100644
--- a/app/controllers/api/v2/scripts_controller.rb
+++ b/app/controllers/api/v2/scripts_controller.rb
@@ -1,4 +1,5 @@
 require "jbuilder"
+
 module Api
   module V2
     class ScriptsController < BaseController
@@ -8,16 +9,16 @@ class ScriptsController < BaseController
       def general_info
         head :not_found and return if @script.blank?
 
-        render json: {
-          data: get_script_content(@script)
-        }
+        expires_in 15.seconds, public: true, must_revalidate: true, stale_while_revalidate: 5.seconds
+        render json: { data: get_script_content }
       end
 
       def ckb_transactions
         head :not_found and return if @script.blank?
 
+        expires_in 15.seconds, public: true, must_revalidate: true, stale_while_revalidate: 5.seconds
         scope = CellDependency.where(contract_id: @contract.id).order(ckb_transaction_id: :desc)
-        tx_ids = scope.page(params[:page]).pluck(:ckb_transaction_id)
+        tx_ids = scope.page(@page).per(@page_size).pluck(:ckb_transaction_id)
         @ckb_transactions = CkbTransaction.find(tx_ids)
         @total = scope.count
       end
@@ -25,31 +26,34 @@ def ckb_transactions
       def deployed_cells
         head :not_found and return if @script.blank? || @script.contract.blank?
 
+        expires_in 15.seconds, public: true, must_revalidate: true, stale_while_revalidate: 5.seconds
         @deployed_cells = @contract.deployed_cells.page(@page).per(@page_size).fast_page
       end
 
       def referring_cells
         head :not_found and return if @script.blank?
 
+        expires_in 15.seconds, public: true, must_revalidate: true, stale_while_revalidate: 5.seconds
         @referring_cells = @contract.referring_cells.page(@page).per(@page_size).fast_page
       end
 
       private
 
-      def get_script_content(script)
-        column_name = script.instance_of?(TypeScript) ? "type_script_id" : "lock_script_id"
-        @my_referring_cells = CellOutput.live.where(column_name => script.id)
-        @deployed_cells = @contract&.deployed_cell_outputs&.live
+      def get_script_content
+        referring_cells = @contract&.referring_cell_outputs
+        deployed_cells = @contract&.deployed_cell_outputs&.live
+        transactions = @contract&.cell_dependencies
+
         {
-          id: script.id,
-          code_hash: script.code_hash,
-          hash_type: script.hash_type,
-          script_type: script.class.to_s,
-          capacity_of_deployed_cells: @deployed_cells&.sum(:capacity),
-          capacity_of_referring_cells: @my_referring_cells.sum(:capacity),
-          count_of_transactions: @contract&.ckb_transactions&.count.to_i,
-          count_of_deployed_cells: @deployed_cells&.count.to_i,
-          count_of_referring_cells: @my_referring_cells.size.to_i
+          id: @script.id,
+          code_hash: @script.code_hash,
+          hash_type: @script.hash_type,
+          script_type: @script.class.to_s,
+          capacity_of_deployed_cells: deployed_cells&.sum(:capacity),
+          capacity_of_referring_cells: referring_cells&.sum(:capacity),
+          count_of_transactions: transactions&.count.to_i,
+          count_of_deployed_cells: deployed_cells&.count.to_i,
+          count_of_referring_cells: referring_cells&.count.to_i
         }
       end
 
diff --git a/app/models/contract.rb b/app/models/contract.rb
index e5da24f83..8065e8376 100644
--- a/app/models/contract.rb
+++ b/app/models/contract.rb
@@ -3,6 +3,7 @@ class Contract < ApplicationRecord
   has_many :deployed_cells
   has_many :deployed_cell_outputs, through: :deployed_cells, source: :cell_output
   has_many :referring_cells
+  has_many :referring_cell_outputs, through: :deployed_cells, source: :cell_output
   has_many :cell_dependencies
   has_many :ckb_transactions, through: :cell_dependencies
 
diff --git a/app/services/das_indexer_service.rb b/app/services/das_indexer_service.rb
index 043be8cee..2bee240c5 100644
--- a/app/services/das_indexer_service.rb
+++ b/app/services/das_indexer_service.rb
@@ -19,15 +19,15 @@ def reverse_record(ckb_address)
                         "key": "0x#{manager_addr}"
                       }
                     })
-    data = JSON.parse res.to_s
-    case data["errno"]
+    data = JSON.parse(res.to_s)
+
+    case data["err_no"]
     when 0
+      return data["data"]["account"]
     when 20007
       return ""
     else
-      raise data["errmsg"]
+      raise data["err_msg"] || "Unknown Error"
     end
-
-    data["data"]["account"]
   end
 end
diff --git a/app/views/api/v2/scripts/ckb_transactions.json.jbuilder b/app/views/api/v2/scripts/ckb_transactions.json.jbuilder
index 9c92de90d..3ee41a87d 100644
--- a/app/views/api/v2/scripts/ckb_transactions.json.jbuilder
+++ b/app/views/api/v2/scripts/ckb_transactions.json.jbuilder
@@ -23,7 +23,7 @@ json.data do
     json.display_outputs tx.display_outputs
   end
   json.meta do
-    json.total @total || @contract.ckb_transactions.count
+    json.total @total
     json.page_size @page_size.to_i
   end
 end
diff --git a/app/views/api/v2/scripts/deployed_cells.json.jbuilder b/app/views/api/v2/scripts/deployed_cells.json.jbuilder
index 293b1497d..7f84e408f 100644
--- a/app/views/api/v2/scripts/deployed_cells.json.jbuilder
+++ b/app/views/api/v2/scripts/deployed_cells.json.jbuilder
@@ -24,7 +24,7 @@ json.data do
     json.type_script_id cell_output.type_script_id
   end
   json.meta do
-    json.total @deployed_cells.count
+    json.total @deployed_cells.total_count
     json.page_size @page_size.to_i
   end
 end
diff --git a/lib/tasks/migration/generate_referring_cells.rake b/lib/tasks/migration/generate_referring_cells.rake
index 7033e1e1c..db1a5f4c5 100644
--- a/lib/tasks/migration/generate_referring_cells.rake
+++ b/lib/tasks/migration/generate_referring_cells.rake
@@ -8,7 +8,7 @@ namespace :migration do
       outputs.each do |output|
         progress_bar.increment
 
-        contract = output.lock_script.contract
+        contract = output.lock_script&.contract
         contract ||= output.type_script&.contract
 
         next unless contract