增加spec关联

app/Models/IndustryOrder.php

@@ -24,4 +24,9 @@ class IndustryOrder extends BaseModel
 	{
 		return $this->belongsTo(IndustryProduct::class);
 	}
+
+	public function spec()
+	{
+		return $this->hasOne(IndustryProductSpec::class, 'id', 'industry_product_spec_id');
+	}
 }