### Self Checks - [x] I have searched for existing issues [search for existing issues](https://github.com/infiniflow/ragflow/issues), including closed ones. - [x] I confirm that I am using English to submit this report ([Language Policy](https://github.com/infiniflow/ragflow/issues/5910)). - [x] Non-english title submitions will be closed directly ( 非英文标题的提交将会被直接关闭 ) ([Language Policy](https://github.com/infiniflow/ragflow/issues/5910)). - [x] Please do not modify this template :) and fill in all the required fields. ### RAGFlow workspace code commit ID 1595cdc48f6f928a49609031a83d0450d7884371 ### RAGFlow image version v0.20.4 ### Other environment information ```Markdown ``` ### Actual behavior The operator added by clicking the plus sign will overlap with the original operator. <img width="1143" height="833" alt="Image" src="https://github.com/user-attachments/assets/c3334c4e-a9d3-4d98-b662-6541c557255a" /> ### Expected behavior _No response_ ### Steps to reproduce ```Markdown The operator added by clicking the plus sign will overlap with the original operator. ``` ### Additional information _No response_