diff --git a/app/controllers/api/v1/blocks_controller.rb b/app/controllers/api/v1/blocks_controller.rb
index cfbb941b1..4af482a8a 100644
--- a/app/controllers/api/v1/blocks_controller.rb
+++ b/app/controllers/api/v1/blocks_controller.rb
@@ -20,17 +20,17 @@ def index
           order_by, asc_or_desc = params[:sort].split(".", 2)
           order_by =
             case order_by
-                     when "height"
-                       "number"
-                     when "transactions"
-                       "ckb_transactions_count"
-                     else
-                       order_by
+            when "height"
+              "number"
+            when "transactions"
+              "ckb_transactions_count"
+            else
+              order_by
             end
 
           head :not_found and return unless order_by.in? %w[number reward timestamp ckb_transactions_count]
 
-          blocks = blocks.order(order_by => asc_or_desc).page(@page).per(@page_size)
+          blocks = blocks.order(order_by => asc_or_desc).order("number DESC").page(@page).per(@page_size)
 
           json =
             Rails.cache.realize(blocks.cache_key, version: blocks.cache_version, race_condition_ttl: 3.seconds) do
diff --git a/app/controllers/api/v1/omiga_inscriptions_controller.rb b/app/controllers/api/v1/omiga_inscriptions_controller.rb
index e9785bcf0..8d524c997 100644
--- a/app/controllers/api/v1/omiga_inscriptions_controller.rb
+++ b/app/controllers/api/v1/omiga_inscriptions_controller.rb
@@ -93,7 +93,7 @@ def sort_udts(records)
         if sort == "mint_status"
           records.joins(:omiga_inscription_info).order("omiga_inscription_infos.mint_status #{order}")
         else
-          records.order("#{sort} #{order}")
+          records.order("#{sort} #{order}").order("full_name ASC, id ASC")
         end
       end
     end
diff --git a/app/controllers/api/v1/udts_controller.rb b/app/controllers/api/v1/udts_controller.rb
index ccc31a978..d38a8188f 100644
--- a/app/controllers/api/v1/udts_controller.rb
+++ b/app/controllers/api/v1/udts_controller.rb
@@ -135,7 +135,7 @@ def sort_udts(records)
           order = "asc"
         end
 
-        records.order("#{sort} #{order}")
+        records.order("#{sort} #{order}").order("full_name ASC, id ASC")
       end
     end
   end
diff --git a/app/controllers/api/v1/xudts_controller.rb b/app/controllers/api/v1/xudts_controller.rb
index 5c7ee86bb..4e0a1ec76 100644
--- a/app/controllers/api/v1/xudts_controller.rb
+++ b/app/controllers/api/v1/xudts_controller.rb
@@ -101,7 +101,7 @@ def sort_udts(records)
           order = "asc"
         end
 
-        records.order("#{sort} #{order}")
+        records.order("#{sort} #{order}").order("full_name ASC, id ASC")
       end
 
       def parse_tags
diff --git a/app/controllers/api/v2/pending_transactions_controller.rb b/app/controllers/api/v2/pending_transactions_controller.rb
index 18a3f18c1..68a5baf57 100644
--- a/app/controllers/api/v2/pending_transactions_controller.rb
+++ b/app/controllers/api/v2/pending_transactions_controller.rb
@@ -11,7 +11,7 @@ def index
           where.not(previous_cell_output_id: nil, from_cell_base: false).
           pluck(:ckb_transaction_id).uniq
         pending_transactions = CkbTransaction.where(id: unique_tx_ids).
-          order(transactions_ordering).page(@page).per(@page_size)
+          order(transactions_ordering).order("id DESC").page(@page).per(@page_size)
 
         json = {
           data: pending_transactions.map do |tx|
@@ -20,13 +20,13 @@ def index
               capacity_involved: tx.capacity_involved,
               transaction_fee: tx.transaction_fee,
               created_at: tx.created_at,
-              create_timestamp: (tx.created_at.to_f * 1000).to_i
+              create_timestamp: (tx.created_at.to_f * 1000).to_i,
             }
           end,
           meta: {
             total: pending_transactions.total_count,
-            page_size: @page_size.to_i
-          }
+            page_size: @page_size.to_i,
+          },
         }
 
         render json: json
@@ -34,7 +34,7 @@ def index
 
       def count
         render json: {
-          data: CkbTransaction.tx_pending.count
+          data: CkbTransaction.tx_pending.count,
         }
       end