YiJun Zhao

If it is a real problem, I can submit a Pull request to solve it.

- https://github.com/silky1313/matrix/actions/runs/13194792191/job/36833994613 The above workflow confirms that the bug does exist

@ChristopherHX ， Thank you for reviewing the PR I submitted. I think the problem is that the matrix is ​​empty when merging the include.

``` workflow_test.go:344: Error Trace: /home/runner/work/act/act/pkg/model/workflow_test.go:344 Error: Not equal: expected: []map[string]interface {}{map[string]interface {}{"animal":"cat", "color":"green", "fruit":"apple", "shape":"circle"}, map[string]interface {}{"animal":"cat", "color":"green", "fruit":"pear"}, map[string]interface {}{"animal":"dog", "color":"green", "fruit":"apple", "shape":"circle"}, map[string]interface {}{"animal":"dog", "color":"green", "fruit":"pear"}, map[string]interface {}{"fruit":"banana"},...

Are you using the localhost? Maybe you can try using a different ip than localhost