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database/migrations/2026_01_27_161954_update_backflow.php

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+<?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::dropIfExists('backflow');
+        Schema::create('backflow', function (Blueprint $table) {
+            $table->engine = 'InnoDB';
+            $table->id();
+            $table->string('date', 32)->comment('日期');
+            $table->string('member_id', 32)->comment('会员id');
+            $table->decimal('recharge_amount', 10, 2)->default(0)->comment('充值金额');
+            $table->decimal('withdrawal_amount', 10, 2)->default(0)->comment('提现金额');
+            $table->decimal('backflow_ratio', 10, 2)->nullable()->comment('回水比例');
+            $table->decimal('amount', 10, 2)->default(0)->comment('回水金额');
+            $table->tinyInteger('status')->default(0)->comment('0未回水，1已回水');
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        //
+    }
+};