diff --git a/lib/ckb/types/alert_message.rb b/lib/ckb/types/alert_message.rb
new file mode 100644
index 00000000..562a8a74
--- /dev/null
+++ b/lib/ckb/types/alert_message.rb
@@ -0,0 +1,40 @@
+# frozen_string_literal: true
+
+module CKB
+  module Types
+    class AlertMessage
+      attr_reader :id, :priority, :notice_until, :message
+
+      # @param id [String]
+      # @param priority [String]
+      # @param notice_until [String]
+      # @param message [String]
+      def initialize(id:, priority:, notice_until:, message:)
+        @id = id
+        @priority = priority
+        @notice_until = notice_until
+        @message = message
+      end
+
+      def to_h
+        {
+          id: @id,
+          priority: @priority,
+          notice_until: @notice_until,
+          message: @message
+        }
+      end
+
+      def self.from_h(hash)
+        return if hash.nil?
+
+        new(
+          id: hash[:id],
+          priority: hash[:priority],
+          notice_until: hash[:notice_until],
+          message: hash[:message]
+        )
+      end
+    end
+  end
+end
\ No newline at end of file
diff --git a/lib/ckb/types/chain_info.rb b/lib/ckb/types/chain_info.rb
index f603817a..9d21e8d8 100644
--- a/lib/ckb/types/chain_info.rb
+++ b/lib/ckb/types/chain_info.rb
@@ -3,28 +3,28 @@
 module CKB
   module Types
     class ChainInfo
-      attr_reader :is_initial_block_download, :epoch, :difficulty, :median_time, :chain, :warnings
+      attr_reader :is_initial_block_download, :epoch, :difficulty, :median_time, :chain, :alerts
 
       # @param is_initialize_block_download [Boolean]
       # @param epoch [String] number
       # @param difficulty [String] 0x...
       # @param median_time [String] timestamp
       # @param chain [String]
-      # @param warnings [String]
+      # @param alerts [Types::AlertMessage]
       def initialize(
         is_initial_block_download:,
         epoch:,
         difficulty:,
         median_time:,
         chain:,
-        warnings:
+        alerts:
       )
         @is_initial_block_download = is_initial_block_download
         @epoch = epoch
         @difficulty = difficulty
         @median_time = median_time
         @chain = chain
-        @warnings = warnings
+        @alerts = alerts
       end
 
       def to_h
@@ -34,7 +34,7 @@ def to_h
           difficulty: @difficulty,
           median_time: @median_time,
           chain: @chain,
-          warnings: @warnings
+          alerts: @alerts
         }
       end
 
@@ -47,7 +47,7 @@ def self.from_h(hash)
           difficulty: hash[:difficulty],
           median_time: hash[:median_time],
           chain: hash[:chain],
-          warnings: hash[:warnings]
+          alerts: hash[:alerts]&.map { |alert| Types::AlertMessage.from_h(alert) }
         )
       end
     end
diff --git a/lib/ckb/types/types.rb b/lib/ckb/types/types.rb
index 5e3695b6..71609c3c 100644
--- a/lib/ckb/types/types.rb
+++ b/lib/ckb/types/types.rb
@@ -15,6 +15,7 @@
 require_relative "tx_status"
 require_relative "witness"
 require_relative "epoch"
+require_relative "alert_message"
 require_relative "chain_info"
 require_relative "peer_state"
 require_relative "address_info"