fix: database

database/migrations/2020_06_13_110825_new_update_table_users.php

@@ -19,7 +19,7 @@ class NewUpdateTableUsers extends Migration
             $table->enum('sex', ['male','female'])->nullable();
             $table->string('registration_number',50)->nullable();
             $table->string('economic_code', 50)->nullable();
-            $table->timestamp('modified_at')->nullable()->default('CURRENT_TIMESTAMP');
+            $table->timestamp('modified_at')->nullable()->default(\DB::raw('CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP'));
         });
     }