设置$primaryKey

app/Models/MiniProgramDraft.php

@@ -8,6 +8,7 @@ use Illuminate\Database\Eloquent\Model;
 class MiniProgramDraft extends Model
 {
     use HasFactory;
+	protected $primaryKey = 'draft_id';
 
 	public function __construct(array $attributes = [])
 	{

app/Models/MiniProgramTemplate.php

@@ -8,6 +8,7 @@ use Illuminate\Database\Eloquent\Model;
 class MiniProgramTemplate extends Model
 {
     use HasFactory;
+	protected $primaryKey = 'template_id';
 
 	public function __construct(array $attributes = [])
 	{