diff --git a/lib/common/services/database/entity/broadcast_entity.dart b/lib/common/services/database/entity/broadcast_entity.dart
new file mode 100644
index 0000000..da10a2a
--- /dev/null
+++ b/lib/common/services/database/entity/broadcast_entity.dart
@@ -0,0 +1,46 @@
+import 'package:floor/floor.dart';
+import 'package:json_annotation/json_annotation.dart';
+
+part 'broadcast_entity.g.dart';
+
+@JsonSerializable()
+@Entity(tableName: "broadcast")
+class BroadcastEntity {
+  /// 自增ID
+  @PrimaryKey(autoGenerate: true)
+  int? id;
+
+  /// 广播内容
+  String content;
+
+  /// 当前广播次数
+  int broadcastCount = 0;
+
+  /// 最大广播次数
+  int broadcastMaxCount;
+
+  /// 是否广播语音
+  bool isBroadcast;
+
+  /// 是否完成
+  bool isDone = false;
+
+  /// 完成时间
+  DateTime? isDoneTime;
+
+  /// 创建时间
+  DateTime createTime;
+
+  BroadcastEntity({
+    this.id,
+    required this.content,
+    required this.broadcastMaxCount,
+    required this.isBroadcast,
+    required this.createTime,
+  });
+
+  factory BroadcastEntity.fromJson(Map<String, dynamic> json) =>
+      _$BroadcastEntityFromJson(json);
+
+  Map<String, dynamic> toJson() => _$BroadcastEntityToJson(this);
+}
diff --git a/lib/common/services/database/entity/broadcast_entity.g.dart b/lib/common/services/database/entity/broadcast_entity.g.dart
new file mode 100644
index 0000000..6ab04dc
--- /dev/null
+++ b/lib/common/services/database/entity/broadcast_entity.g.dart
@@ -0,0 +1,33 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'broadcast_entity.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+BroadcastEntity _$BroadcastEntityFromJson(Map<String, dynamic> json) =>
+    BroadcastEntity(
+      id: (json['id'] as num?)?.toInt(),
+      content: json['content'] as String,
+      broadcastMaxCount: (json['broadcastMaxCount'] as num).toInt(),
+      isBroadcast: json['isBroadcast'] as bool,
+      createTime: DateTime.parse(json['createTime'] as String),
+    )
+      ..broadcastCount = (json['broadcastCount'] as num).toInt()
+      ..isDone = json['isDone'] as bool
+      ..isDoneTime = json['isDoneTime'] == null
+          ? null
+          : DateTime.parse(json['isDoneTime'] as String);
+
+Map<String, dynamic> _$BroadcastEntityToJson(BroadcastEntity instance) =>
+    <String, dynamic>{
+      'id': instance.id,
+      'content': instance.content,
+      'broadcastCount': instance.broadcastCount,
+      'broadcastMaxCount': instance.broadcastMaxCount,
+      'isBroadcast': instance.isBroadcast,
+      'isDone': instance.isDone,
+      'isDoneTime': instance.isDoneTime?.toIso8601String(),
+      'createTime': instance.createTime.toIso8601String(),
+    };