diff --git a/app/cmd/job_build.go b/app/cmd/job_build.go
index 32e05375b3c9541646e4fc716d391a05675dbc93..df4e2739f49dba386d68f6c18b60c935fdd42f70 100644
--- a/app/cmd/job_build.go
+++ b/app/cmd/job_build.go
@@ -46,7 +46,6 @@ var jobBuildCmd = &cobra.Command{
 		paramDefs := []client.ParameterDefinition{}
 		hasParam := false
 		if job, err := jclient.GetJob(jobOption.Name); err == nil {
-			fmt.Println(job.Property)
 			if len(job.Property) != 0 {
 				for _, pro := range job.Property {
 					if len(pro.ParameterDefinitions) == 0 {
diff --git a/client/core.go b/client/core.go
index 4a028f6b888297f5b4fec626e27e6e118e8bb2f9..24e0df23d844f3a9b1ea91e0a31958d4f6e69b0d 100644
--- a/client/core.go
+++ b/client/core.go
@@ -51,7 +51,8 @@ func (j *JenkinsCore) AuthHandle(request *http.Request) {
 }
 
 func (j *JenkinsCore) CrumbHandle(request *http.Request) error {
-	if c, err := j.GetCrumb(); err == nil {
+	if c, err := j.GetCrumb(); err == nil && c != nil {
+		// cannot get the crumb could be a noraml situation
 		j.CrumbRequestField = c.CrumbRequestField
 		j.Crumb = c.Crumb
 		request.Header.Add(j.CrumbRequestField, j.Crumb)
@@ -80,7 +81,10 @@ func (j *JenkinsCore) GetCrumb() (*JenkinsCrumb, error) {
 		if data, err := ioutil.ReadAll(response.Body); err == nil {
 			if response.StatusCode == 200 {
 				json.Unmarshal(data, &crumbIssuer)
+			} else if response.StatusCode == 404 {
+				return nil, err
 			} else {
+				log.Printf("Unexpected status code: %d.", response.StatusCode)
 				return nil, err
 			}
 		} else {