diff --git a/pkg/runner/reusable_workflow.go b/pkg/runner/reusable_workflow.go
index dd22afc..721c2a2 100644
--- a/pkg/runner/reusable_workflow.go
+++ b/pkg/runner/reusable_workflow.go
@@ -34,11 +34,10 @@ func newLocalReusableWorkflowExecutor(rc *RunContext) common.Executor {
 	// uses string format is {owner}/{repo}/.{git_platform}/workflows/{filename}@{ref}
 	uses := fmt.Sprintf("%s/%s@%s", rc.Config.PresetGitHubContext.Repository, trimmedUses, rc.Config.PresetGitHubContext.Sha)
 
-	remoteReusableWorkflow := newRemoteReusableWorkflowWithPlat(uses)
+	remoteReusableWorkflow := newRemoteReusableWorkflowWithPlat(rc.Config.GitHubInstance, uses)
 	if remoteReusableWorkflow == nil {
 		return common.NewErrorExecutor(fmt.Errorf("expected format {owner}/{repo}/.{git_platform}/workflows/{filename}@{ref}. Actual '%s' Input string was not in a correct format", uses))
 	}
-	remoteReusableWorkflow.URL = rc.Config.GitHubInstance
 
 	workflowDir := fmt.Sprintf("%s/%s", rc.ActionCacheDir(), safeFilename(uses))
 
@@ -54,7 +53,7 @@ func newLocalReusableWorkflowExecutor(rc *RunContext) common.Executor {
 func newRemoteReusableWorkflowExecutor(rc *RunContext) common.Executor {
 	uses := rc.Run.Job().Uses
 
-	remoteReusableWorkflow := newRemoteReusableWorkflowWithPlat(uses)
+	remoteReusableWorkflow := newRemoteReusableWorkflowWithPlat(rc.Config.GitHubInstance, uses)
 	if remoteReusableWorkflow == nil {
 		return common.NewErrorExecutor(fmt.Errorf("expected format {owner}/{repo}/.{git_platform}/workflows/{filename}@{ref}. Actual '%s' Input string was not in a correct format", uses))
 	}
@@ -95,8 +94,10 @@ func cloneIfRequired(rc *RunContext, remoteReusableWorkflow remoteReusableWorkfl
 			return notExists
 		},
 		func(ctx context.Context) error {
-			// Gitea has already full URL with rc.Config.GitHubInstance
-			//remoteReusableWorkflow.URL = rc.getGithubContext(ctx).ServerURL
+			// Do not change the remoteReusableWorkflow.URL, because:
+			// 	1. Gitea doesn't support specifying GithubContext.ServerURL by the GITHUB_SERVER_URL env
+			//	2. Gitea has already full URL with rc.Config.GitHubInstance when calling newRemoteReusableWorkflowWithPlat
+			// remoteReusableWorkflow.URL = rc.getGithubContext(ctx).ServerURL
 			return git.NewGitCloneExecutor(git.NewGitCloneExecutorInput{
 				URL:   remoteReusableWorkflow.CloneURL(),
 				Ref:   remoteReusableWorkflow.Ref,
@@ -163,7 +164,10 @@ func (r *remoteReusableWorkflow) FilePath() string {
 	return fmt.Sprintf("./.%s/workflows/%s", r.GitPlatform, r.Filename)
 }
 
-func newRemoteReusableWorkflowWithPlat(uses string) *remoteReusableWorkflow {
+// For Gitea
+// newRemoteReusableWorkflowWithPlat create a `remoteReusableWorkflow`
+// workflows from `.gitea/workflows` and `.github/workflows` are supported
+func newRemoteReusableWorkflowWithPlat(url, uses string) *remoteReusableWorkflow {
 	// GitHub docs:
 	// https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_iduses
 	r := regexp.MustCompile(`^([^/]+)/([^/]+)/\.([^/]+)/workflows/([^@]+)@(.*)$`)
@@ -177,6 +181,7 @@ func newRemoteReusableWorkflowWithPlat(uses string) *remoteReusableWorkflow {
 		GitPlatform: matches[3],
 		Filename:    matches[4],
 		Ref:         matches[5],
+		URL:         url,
 	}
 }
 
diff --git a/pkg/runner/run_context.go b/pkg/runner/run_context.go
index 4f2d43c..e4ca1b2 100644
--- a/pkg/runner/run_context.go
+++ b/pkg/runner/run_context.go
@@ -832,6 +832,15 @@ func (rc *RunContext) getGithubContext(ctx context.Context) *model.GithubContext
 			ghc.Token = preset.Token
 			ghc.RepositoryOwner = preset.RepositoryOwner
 			ghc.RetentionDays = preset.RetentionDays
+
+			instance := rc.Config.GitHubInstance
+			if !strings.HasPrefix(instance, "http://") &&
+				!strings.HasPrefix(instance, "https://") {
+				instance = "https://" + instance
+			}
+			ghc.ServerURL = instance
+			ghc.APIURL = instance + "/api/v1" // the version of Gitea is v1
+			ghc.GraphQLURL = ""               // Gitea doesn't support graphql
 			return ghc
 		}
 	}