diff --git a/display/base.go b/display/base.go
index 55dcbc7f..6c748c0a 100644
--- a/display/base.go
+++ b/display/base.go
@@ -142,6 +142,10 @@ func (_ _CLI) UpdateStatus(s Status, msg string) {
 
 func (_ _CLI) Display(level MsgLevel, msg string) {
 	termenv.ClearLine()
-	fmt.Println(termenv.String().Foreground(level.fColor()).Styled(fmt.Sprintf("[%s]", level.String())), msg)
+	if level == MsgError {
+		fmt.Println(termenv.String().Foreground(level.fColor()).Styled(fmt.Sprintf("[%s] %s", level.String(), msg)))
+	} else {
+		fmt.Println(termenv.String().Foreground(level.fColor()).Styled(fmt.Sprintf("[%s]", level.String())), msg)
+	}
 	statusRepaint()
 }
diff --git a/inspector/managed_inspect.go b/inspector/managed_inspect.go
index c540333a..a684bf12 100644
--- a/inspector/managed_inspect.go
+++ b/inspector/managed_inspect.go
@@ -47,7 +47,10 @@ func managedInspectScan(ctx *ScanContext) error {
 			}
 			if inspector.CheckDir(path) {
 				logger.Debug.Println("Matched", inspector, path)
-				rs, e := inspector.Inspect(path)
+				rs, e := inspector.Inspect(&base.ScanTask{
+					ProjectDir: path,
+					UI:         ctx.UI(),
+				})
 				if e != nil {
 					logger.Info.Println("inspect failed.", inspector.String(), e.Error())
 					logger.Debug.Printf("%+v\n", e)
diff --git a/module/base/common.go b/module/base/common.go
index 5b40baa2..574c5e95 100644
--- a/module/base/common.go
+++ b/module/base/common.go
@@ -5,6 +5,7 @@ import (
 	"github.com/google/uuid"
 	"github.com/pkg/errors"
 	"murphysec-cli-simple/api"
+	"murphysec-cli-simple/display"
 	"regexp"
 	"strings"
 )
@@ -63,7 +64,7 @@ func mapVoDependency(d []Dependency) []api.VoDependency {
 type Inspector interface {
 	fmt.Stringer
 	CheckDir(dir string) bool
-	Inspect(dir string) ([]Module, error)
+	Inspect(task *ScanTask) ([]Module, error)
 	PackageManagerType() PackageManagerType
 }
 
@@ -121,3 +122,10 @@ func UnwrapToInspectorError(e error) *InspectorError {
 	}
 	return nil
 }
+
+// TODO: refactor to interface
+
+type ScanTask struct {
+	ProjectDir string
+	UI         display.UI
+}
diff --git a/module/composer/composer.go b/module/composer/composer.go
index 440cc625..a061bd1f 100644
--- a/module/composer/composer.go
+++ b/module/composer/composer.go
@@ -23,8 +23,8 @@ func (i *Inspector) CheckDir(dir string) bool {
 	return utils.IsFile(filepath.Join(dir, "composer.json"))
 }
 
-func (i *Inspector) Inspect(dir string) ([]base.Module, error) {
-
+func (i *Inspector) Inspect(task *base.ScanTask) ([]base.Module, error) {
+	dir := task.ProjectDir
 	manifest, e := readManifest(filepath.Join(dir, "composer.json"))
 	if e != nil {
 		return nil, e
diff --git a/module/go_mod/go.go b/module/go_mod/go.go
index 3ad38221..ccbb3a6c 100644
--- a/module/go_mod/go.go
+++ b/module/go_mod/go.go
@@ -3,8 +3,10 @@ package go_mod
 import (
 	"bytes"
 	"encoding/json"
+	"fmt"
 	"github.com/pkg/errors"
 	"io"
+	"murphysec-cli-simple/display"
 	"murphysec-cli-simple/logger"
 	"murphysec-cli-simple/module/base"
 	"murphysec-cli-simple/utils"
@@ -25,8 +27,8 @@ func (i *Inspector) CheckDir(dir string) bool {
 	return utils.IsFile(filepath.Join(dir, "go.mod"))
 }
 
-func (i *Inspector) Inspect(dir string) ([]base.Module, error) {
-	return ScanGoProject(dir)
+func (i *Inspector) Inspect(task *base.ScanTask) ([]base.Module, error) {
+	return ScanGoProject(task.ProjectDir, task)
 }
 
 func (i *Inspector) PackageManagerType() base.PackageManagerType {
@@ -37,12 +39,14 @@ func New() base.Inspector {
 	return &Inspector{}
 }
 
-func ScanGoProject(dir string) ([]base.Module, error) {
+func ScanGoProject(dir string, task *base.ScanTask) ([]base.Module, error) {
 	version, e := execGoVersion()
 	if e != nil {
+		task.UI.Display(display.MsgError, fmt.Sprintf("【%s】识别到您的环境中 Go 无法正常运行，可能会导致检测结果不完整，访问https://www.murphysec.com/docs/quick-start/language-support/ 了解详情", dir))
 		return nil, ErrGoEnv
 	}
 	if e := execGoModTidy(dir); e != nil {
+		task.UI.Display(display.MsgError, fmt.Sprintf("【%s】通过 Go获取依赖信息失败，可能会导致检测结果不完整或失败，访问https://www.murphysec.com/docs/quick-start/language-support/ 了解详情", dir))
 		logger.Err.Println("go mod tidy execute failed.", e.Error())
 		return nil, e
 	}
diff --git a/module/gradle/gradle.go b/module/gradle/gradle.go
index 0617d49c..4bc22f45 100644
--- a/module/gradle/gradle.go
+++ b/module/gradle/gradle.go
@@ -3,6 +3,7 @@ package gradle
 import (
 	"fmt"
 	"github.com/pkg/errors"
+	"murphysec-cli-simple/display"
 	"murphysec-cli-simple/logger"
 	"murphysec-cli-simple/module/base"
 	"os"
@@ -26,10 +27,12 @@ func (i *Inspector) PackageManagerType() base.PackageManagerType {
 	return base.PMGradle
 }
 
-func (i *Inspector) Inspect(dir string) ([]base.Module, error) {
+func (i *Inspector) Inspect(task *base.ScanTask) ([]base.Module, error) {
+	dir := task.ProjectDir
 	logger.Debug.Println("gradle inspect dir:", dir)
 	info, e := evalGradleInfo(dir)
 	if e != nil {
+		task.UI.Display(display.MsgError, fmt.Sprintf("【%s】识别到目录下没有 gradlew 文件或您的环境中 Gradle 无法正常运行，可能会导致检测结果不完整，访问https://www.murphysec.com/docs/quick-start/language-support/ 了解详情", dir))
 		logger.Info.Println("check gradle failed", e.Error())
 		return nil, e
 	}
@@ -38,7 +41,7 @@ func (i *Inspector) Inspect(dir string) ([]base.Module, error) {
 	if e != nil {
 		logger.Info.Println("fetch gradle projects failed.", e.Error())
 	}
-	logger.Debug.Println("Gradle proje`cts:", strings.Join(projects, ", "))
+	logger.Debug.Println("Gradle projects:", strings.Join(projects, ", "))
 	var rs []base.Module
 	{
 		depInfo, e := evalGradleDependencies(dir, "", info)
@@ -51,6 +54,7 @@ func (i *Inspector) Inspect(dir string) ([]base.Module, error) {
 	for _, projectId := range projects {
 		depInfo, e := evalGradleDependencies(dir, projectId, info)
 		if e != nil {
+			task.UI.Display(display.MsgError, fmt.Sprintf("【%s】通过 Gradle 获取依赖信息失败，可能会导致检测结果不完整或失败，访问https://www.murphysec.com/docs/quick-start/language-support/ 了解详情", dir))
 			logger.Info.Println("evalGradleDependencies failed.", projectId, e.Error())
 		} else {
 			rs = append(rs, depInfo.BaseModule(filepath.Join(dir, "build.gradle")))
diff --git a/module/maven/base.go b/module/maven/base.go
index a75abf07..1b67991c 100644
--- a/module/maven/base.go
+++ b/module/maven/base.go
@@ -25,8 +25,8 @@ func (i *Inspector) CheckDir(dir string) bool {
 	return utils.IsFile(filepath.Join(dir, "pom.xml"))
 }
 
-func (i *Inspector) Inspect(dir string) ([]base.Module, error) {
-	return ScanMavenProject(dir)
+func (i *Inspector) Inspect(task *base.ScanTask) ([]base.Module, error) {
+	return ScanMavenProject(task.ProjectDir, task)
 }
 
 func (i *Inspector) PackageManagerType() base.PackageManagerType {
diff --git a/module/maven/maven.go b/module/maven/maven.go
index 3d0133df..f3cb46f2 100644
--- a/module/maven/maven.go
+++ b/module/maven/maven.go
@@ -2,6 +2,7 @@ package maven
 
 import (
 	"fmt"
+	"murphysec-cli-simple/display"
 	"murphysec-cli-simple/logger"
 	"murphysec-cli-simple/module/base"
 	"path/filepath"
@@ -20,7 +21,7 @@ func (d Dependency) String() string {
 
 var MvnSkipped = base.NewInspectError("java", "Mvn inspect is skipped, please check you maven environment.")
 
-func ScanMavenProject(dir string) ([]base.Module, error) {
+func ScanMavenProject(dir string, task *base.ScanTask) ([]base.Module, error) {
 	var modules []base.Module
 	var deps map[Coordinate][]Dependency
 	moduleFileMapping := map[Coordinate]string{}
@@ -30,8 +31,11 @@ func ScanMavenProject(dir string) ([]base.Module, error) {
 	if doMvnScan {
 		deps, e = scanMvnDependency(dir)
 		if e != nil {
+			task.UI.Display(display.MsgError, fmt.Sprintf("【%s】通过 Maven获取依赖信息失败，可能会导致检测结果不完整或失败，访问https://www.murphysec.com/docs/quick-start/language-support/ 了解详情", dir))
 			logger.Err.Printf("mvn scan failed: %+v\n", e)
 		}
+	} else {
+		task.UI.Display(display.MsgError, fmt.Sprintf("【%s】识别到您的环境中 Maven 无法正常运行，可能会导致检测结果不完整，访问https://www.murphysec.com/docs/quick-start/language-support/ 了解详情", dir))
 	}
 	// analyze pom file
 	{
diff --git a/module/maven/mvn_helper.go b/module/maven/mvn_helper.go
index dddec5fe..c233a1a8 100644
--- a/module/maven/mvn_helper.go
+++ b/module/maven/mvn_helper.go
@@ -87,6 +87,7 @@ func scanMvnDependency(projectDir string) (map[Coordinate][]Dependency, error) {
 	}
 	if e := cmd.Wait(); e != nil {
 		logger.Err.Println("Mvn terminated with err.", e.Error())
+		return mvnResult, e
 	} else {
 		logger.Info.Println("Mvn terminated with no err")
 	}
diff --git a/module/npm/npm.go b/module/npm/npm.go
index 0aae64e7..fd12bc80 100644
--- a/module/npm/npm.go
+++ b/module/npm/npm.go
@@ -27,8 +27,8 @@ func (i *Inspector) CheckDir(dir string) bool {
 		utils.IsFile(filepath.Join(dir, "package-lock.json"))
 }
 
-func (i *Inspector) Inspect(dir string) ([]base.Module, error) {
-	return ScanNpmProject(dir)
+func (i *Inspector) Inspect(task *base.ScanTask) ([]base.Module, error) {
+	return ScanNpmProject(task.ProjectDir)
 }
 
 func (i *Inspector) PackageManagerType() base.PackageManagerType {
diff --git a/module/python/python.go b/module/python/python.go
index 1db4a822..64530d7d 100644
--- a/module/python/python.go
+++ b/module/python/python.go
@@ -55,7 +55,8 @@ func parsePyImport(input string) []string {
 	return rs
 }
 
-func (i Inspector) Inspect(dir string) ([]base.Module, error) {
+func (i Inspector) Inspect(task *base.ScanTask) ([]base.Module, error) {
+	dir := task.ProjectDir
 	componentMap := map[string]string{}
 	requirementsFiles := map[string]struct{}{}
 	ignoreSet := map[string]struct{}{}
diff --git a/module/yarn/yarnlock.go b/module/yarn/yarnlock.go
index 754fe212..2c621c68 100644
--- a/module/yarn/yarnlock.go
+++ b/module/yarn/yarnlock.go
@@ -27,7 +27,8 @@ func (i *Inspector) CheckDir(dir string) bool {
 	return e == nil && !info.IsDir()
 }
 
-func (i *Inspector) Inspect(dir string) ([]base.Module, error) {
+func (i *Inspector) Inspect(task *base.ScanTask) ([]base.Module, error) {
+	dir := task.ProjectDir
 	logger.Info.Println("yarn inspect.", dir)
 	rs, e := analyzeYarnDep(dir)