添加建设内容

app/Models/Programs.php

@@ -6,6 +6,8 @@ use Illuminate\Database\Eloquent\Model;
 
 class Programs extends Model
 {
+    protected $fillable = ["name", "difficulty", "desc"];
+    protected $dateFormat = 'U';
     public function appends(): \Illuminate\Database\Eloquent\Relations\HasMany
     {
         return $this->hasMany(ProgramAppends::class, "program_id", "id")->orderByDesc("is_original");