diff --git a/app/workers/analyze_contract_from_cell_dependency_worker.rb b/app/workers/analyze_contract_from_cell_dependency_worker.rb
index 9c2edd825..fb01a2782 100644
--- a/app/workers/analyze_contract_from_cell_dependency_worker.rb
+++ b/app/workers/analyze_contract_from_cell_dependency_worker.rb
@@ -1,12 +1,13 @@
 class AnalyzeContractFromCellDependencyWorker
   include Sidekiq::Worker
+  sidekiq_options queue: "contract", retry: 0
 
   def perform
     cell_deps_out_points_attrs = Set.new
     contract_attrs = Set.new
     cell_deps_attrs = Set.new
 
-    CellDependency.where(contract_analyzed: false).where.not(block_number: nil).order("block_number desc").limit(1000).each do |cell_dep|
+    CellDependency.where(contract_analyzed: false).where.not(block_number: nil).limit(1000).each do |cell_dep|
       cell_deps_attrs << { contract_analyzed: true, ckb_transaction_id: cell_dep.ckb_transaction_id, contract_cell_id: cell_dep.contract_cell_id, dep_type: cell_dep.dep_type }
 
       next if CellDepsOutPoint.where(contract_cell_id: cell_dep.contract_cell_id).exists?
diff --git a/config/sidekiq.yml b/config/sidekiq.yml
index 7054f09af..f151bd024 100644
--- a/config/sidekiq.yml
+++ b/config/sidekiq.yml
@@ -7,6 +7,9 @@
   - bitcoin
   - fiber
   - low
+  - contract
+:limits:
+  contract: 1
 
 production:
   :concurrency: 20
diff --git a/lib/scheduler.rb b/lib/scheduler.rb
index 9afe16d6f..e5f6efb5f 100644
--- a/lib/scheduler.rb
+++ b/lib/scheduler.rb
@@ -128,7 +128,7 @@ def call_worker(clz)
   call_worker GenerateUdtHolderAllocationWorker
 end
 
-s.every "5s", overlap: false do
+s.every "10s", overlap: false do
   call_worker AnalyzeContractFromCellDependencyWorker
 end