diff --git a/app/Models/Dialogue.php b/app/Models/Dialogue.php
new file mode 100644
index 0000000..19b3fd0
--- /dev/null
+++ b/app/Models/Dialogue.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Models;
+
+class Dialogue extends SoftDeletesModel
+{
+
+    public function user()
+    {
+        return $this->hasOne(User::class, 'id', 'user_id');
+    }
+
+    public function toUser()
+    {
+        return $this->hasOne(User::class, 'id', 'to_user_id');
+    }
+
+    public function supplyDemand(){
+        return $this->hasOne(SupplyDemand::class, 'id', 'supply_demand_id');
+    }
+
+}
diff --git a/app/Models/Message.php b/app/Models/Message.php
index 3c7c290..46564f8 100755
--- a/app/Models/Message.php
+++ b/app/Models/Message.php
@@ -19,5 +19,9 @@ class Message extends SoftDeletesModel
         return $this->hasOne(User::class, 'id', 'to_user_id');
     }
 
+    public function supplyDemand(){
+        return $this->hasOne(SupplyDemand::class, 'id', 'supply_demand_id');
+    }
+
 }
 
diff --git a/database/migrations/2025_06_20_101705_create_messages_table.php b/database/migrations/2025_06_20_101705_create_messages_table.php
index 28d1305..13296ef 100644
--- a/database/migrations/2025_06_20_101705_create_messages_table.php
+++ b/database/migrations/2025_06_20_101705_create_messages_table.php
@@ -15,6 +15,7 @@ return new class extends Migration {
         Schema::create('messages', function (Blueprint $table) {
             $table->comment('消息表');
             $table->id();
+            $table->integer('dialogue_id')->nullable()->comment('对话id');
             // 用户id
             $table->integer('user_id')->nullable()->comment('用户id');
             // 接收人id
diff --git a/database/migrations/2025_06_25_132911_alert_dialogues_table.php b/database/migrations/2025_06_25_132911_alert_dialogues_table.php
new file mode 100644
index 0000000..1329df9
--- /dev/null
+++ b/database/migrations/2025_06_25_132911_alert_dialogues_table.php
@@ -0,0 +1,43 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('dialogues', function (Blueprint $table) {
+            $table->comment('会话列表');
+            $table->id();
+            // 用户id
+            $table->integer('user_id')->nullable()->comment('用户id');
+            // 接收人id
+            $table->integer('to_user_id')->nullable()->comment('接收人id');
+            // 需求id
+            $table->integer('supply_demand_id')->nullable()->comment('需求id');
+            // 消息内容
+            $table->text('last_content')->nullable()->comment('最后一条消息消息内容');
+            $table->timestamps();
+            $table->softDeletes();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('dialogues', function (Blueprint $table) {
+            //
+        });
+    }
+};
diff --git a/routes/api.php b/routes/api.php
index 3604d3d..87cce0b 100755
--- a/routes/api.php
+++ b/routes/api.php
@@ -250,9 +250,13 @@ Route::group(["namespace" => "Mobile", "prefix" => "mobile"], function () {
         Route::get('supply-demand/detail', [\App\Http\Controllers\Mobile\SupplyDemandController::class, "detail"]);
         Route::post('supply-demand/save', [\App\Http\Controllers\Mobile\SupplyDemandController::class, "save"]);
         Route::get('supply-demand/destroy', [\App\Http\Controllers\Mobile\SupplyDemandController::class, "destroy"]);
+
         // 供需信息留言
         Route::get('supply-demand/send-message', [\App\Http\Controllers\Mobile\SupplyDemandController::class, "sendMessage"]);
         Route::get('supply-demand/message-list', [\App\Http\Controllers\Mobile\SupplyDemandController::class, "messageList"]);
+        Route::get('supply-demand/message-list', [\App\Http\Controllers\Mobile\SupplyDemandController::class, "messageList"]);
+
+
         // 供需信息收藏
         Route::get('supply-demand/keep-index', [\App\Http\Controllers\Mobile\SupplyDemandController::class, "keepIndex"]);
         Route::get('supply-demand/keep-supply-demand', [\App\Http\Controllers\Mobile\SupplyDemandController::class, "keepSupplyDemand"]);