升级最新版后知识库召回报错,grpc 错误,请求指导

升级最新版1.9后,所有知识库召回提示如下:有解决的么,帮忙指导一下,谢谢

Query call with protocol GRPC search failed with message extract target vectors: class Vector_index_57c0bdf2_49ab_4f8d_9207_870d6352276c_Node does not have named vector default configured. Available named vectors map[].

改一下嵌入模型,重新索引可以解决。。。。

参见:

https://github.com/langgenius/dify/issues/27291

改嵌入模型,请问这个需要怎么操作呀?? 请明示