fix(core): 修复索引超过长度限制的问题

Author: xiewnet

database/migrations/2018_08_07_080904_create_settings_table.php

@@ -31,8 +31,8 @@ public function up()
     {
         Schema::create('settings', function (Blueprint $table) {
             $table->increments('id');
-            $table->string('namespace', 150)->comment('配置命名空间');
-            $table->string('name', 150)->comment('配置名称');
+            $table->string('namespace', 125)->comment('配置命名空间');
+            $table->string('name', 125)->comment('配置名称');
             $table->text('contents')->nullable()->comment('配置数据');
             $table->timestamps();