diff --git a/cmd/joj3/teapot/run.go b/cmd/joj3/teapot/run.go
index 329c221..7c2a240 100644
--- a/cmd/joj3/teapot/run.go
+++ b/cmd/joj3/teapot/run.go
@@ -21,8 +21,7 @@ func Run(conf *conf.Conf) error {
 	os.Setenv("LOG_FILE_PATH", conf.Teapot.LogPath)
 	os.Setenv("_TYPER_STANDARD_TRACEBACK", "1")
 	envFilePath := "/home/tt/.config/teapot/teapot.env"
-	// TODO: pass sha to joint-teapot
-	// sha := os.Getenv("GITHUB_SHA")
+	sha := os.Getenv("GITHUB_SHA")
 	actor := os.Getenv("GITHUB_ACTOR")
 	repository := os.Getenv("GITHUB_REPOSITORY")
 	runNumber := os.Getenv("GITHUB_RUN_NUMBER")
@@ -55,7 +54,7 @@ func Run(conf *conf.Conf) error {
 			err := execCommand("joint-teapot", []string{
 				"joj3-scoreboard", envFilePath, conf.Stage.OutputPath, actor,
 				conf.Teapot.GradingRepoName, repoName, runNumber,
-				conf.Teapot.ScoreboardPath, conf.Name,
+				conf.Teapot.ScoreboardPath, conf.Name, sha,
 			})
 			if err != nil {
 				scoreboardErr = err
@@ -65,7 +64,7 @@ func Run(conf *conf.Conf) error {
 			err := execCommand("joint-teapot", []string{
 				"joj3-failed-table", envFilePath, conf.Stage.OutputPath, actor,
 				conf.Teapot.GradingRepoName, repoName, runNumber,
-				conf.Teapot.FailedTablePath, conf.Name,
+				conf.Teapot.FailedTablePath, conf.Name, sha,
 			})
 			if err != nil {
 				failedTableErr = err
@@ -77,7 +76,7 @@ func Run(conf *conf.Conf) error {
 		if !conf.Teapot.SkipIssue {
 			err := execCommand("joint-teapot", []string{
 				"joj3-create-result-issue", envFilePath, conf.Stage.OutputPath,
-				repoName, runNumber, conf.Name,
+				repoName, runNumber, conf.Name, actor, sha,
 			})
 			if err != nil {
 				issueErr = err
diff --git a/internal/parser/clangtidy/convert.go b/internal/parser/clangtidy/convert.go
index 88e87e3..c6ea7c3 100644
--- a/internal/parser/clangtidy/convert.go
+++ b/internal/parser/clangtidy/convert.go
@@ -6,6 +6,7 @@ import (
 	"path/filepath"
 	"regexp"
 	"strconv"
+	"strings"
 )
 
 type Level int
@@ -68,6 +69,9 @@ func levelFromString(levelString string) Level {
 }
 
 func isIgnored(line string) bool {
+	if strings.TrimSpace(line) == "" {
+		return true
+	}
 	ignoreRegex := regexp.MustCompile("^error:.*$")
 	return ignoreRegex.MatchString(line)
 }
diff --git a/internal/parser/clangtidy/parser.go b/internal/parser/clangtidy/parser.go
index 51661ed..85ca466 100644
--- a/internal/parser/clangtidy/parser.go
+++ b/internal/parser/clangtidy/parser.go
@@ -24,11 +24,6 @@ type ClangTidy struct{}
 func Parse(executorResult stage.ExecutorResult, conf Conf) stage.ParserResult {
 	stdout := executorResult.Files["stdout"]
 	stderr := executorResult.Files["stderr"]
-
-	lines := strings.SplitAfter(stdout, "\n")
-	messages := ParseLines(lines, conf)
-	formattedMessages := Format(messages)
-
 	if executorResult.Status != stage.Status(envexec.StatusAccepted) {
 		if !((executorResult.Status == stage.Status(envexec.StatusNonzeroExitStatus)) &&
 			(executorResult.ExitStatus == 1)) {
@@ -41,6 +36,9 @@ func Parse(executorResult stage.ExecutorResult, conf Conf) stage.ParserResult {
 			}
 		}
 	}
+	lines := strings.SplitAfter(stdout, "\n")
+	messages := ParseLines(lines, conf)
+	formattedMessages := Format(messages)
 	score, comment := GetResult(formattedMessages, conf)
 	return stage.ParserResult{
 		Score:   score,
diff --git a/internal/parser/resultdetail/parser.go b/internal/parser/resultdetail/parser.go
index 0d946c8..eb15bb1 100644
--- a/internal/parser/resultdetail/parser.go
+++ b/internal/parser/resultdetail/parser.go
@@ -33,6 +33,9 @@ func (*ResultDetail) Run(results []stage.ExecutorResult, confAny any) (
 			comment += fmt.Sprintf("Exit Status: `%d`\n", result.ExitStatus)
 		}
 		if conf.ShowError {
+			if result.Error == "" {
+				result.Error = "nil"
+			}
 			comment += fmt.Sprintf("Error: `%s`\n", result.Error)
 		}
 		if conf.ShowTime {