增加setProductIdsAttribute修改器

app/Models/AgentProduct.php

@@ -43,4 +43,11 @@ class AgentProduct extends BaseModel
 			$this->attributes['channel_id'] = join(',', array_filter($value));
 		}
 	}
+
+	public function setProductIdsAttribute($value)
+	{
+		if (is_array($value)) {
+			$this->attributes['product_ids'] = join(',', array_filter($value));
+		}
+	}
 }