diff --git a/pkg/simple/client/devops/jenkins/pipeline.go b/pkg/simple/client/devops/jenkins/pipeline.go
index 559f8894fabe1918f29754eb866ae83d486f0f52..de7e63c50fd0a90f1794d78a4609854567b247ae 100644
--- a/pkg/simple/client/devops/jenkins/pipeline.go
+++ b/pkg/simple/client/devops/jenkins/pipeline.go
@@ -122,13 +122,12 @@ func (p *Pipeline) ListPipelines() (*devops.PipelineList, error) {
 		return nil, err
 	}
 
-	pipelienList := devops.PipelineList{Total: count}
-	err = json.Unmarshal(res, &pipelienList.Items)
+	pipelienList, err := devops.UnmarshalPipeline(count, res)
 	if err != nil {
 		klog.Error(err)
 		return nil, err
 	}
-	return &pipelienList, err
+	return pipelienList, err
 }
 
 func (p *Pipeline) searchPipelineCount() (int, error) {
diff --git a/pkg/simple/client/devops/pipeline.go b/pkg/simple/client/devops/pipeline.go
index 98b4a0908917de9fbc79c2d9f34e9f528b77ee45..48565e80686844db481e47e6d3238f9cef737e6f 100644
--- a/pkg/simple/client/devops/pipeline.go
+++ b/pkg/simple/client/devops/pipeline.go
@@ -17,6 +17,7 @@ limitations under the License.
 package devops
 
 import (
+	"encoding/json"
 	"fmt"
 	"io"
 	"net/http"
@@ -97,6 +98,17 @@ type Pipeline struct {
 	TotalNumberOfPullRequests int `json:"totalNumberOfPullRequests,omitempty" description:"total number of pull requests"`
 }
 
+// UnmarshalPipeline unmarshal data into the Pipeline list
+func UnmarshalPipeline(total int, data []byte) (pipelineList *PipelineList, err error) {
+	pipelineList = &PipelineList{Total: total}
+	pipelineList.Items = make([]Pipeline, total)
+	for i, _ := range pipelineList.Items {
+		pipelineList.Items[i].WeatherScore = 100
+	}
+	err = json.Unmarshal(data, &pipelineList.Items)
+	return
+}
+
 // GetPipeBranchRun & SearchPipelineRuns
 type PipelineRunList struct {
 	Items []PipelineRun `json:"items"`
diff --git a/pkg/simple/client/devops/pipeline_test.go b/pkg/simple/client/devops/pipeline_test.go
index db60a4f75d9751477a6bfcfd12dacd8157c0fadb..92b9e5e8ef12ac0c6d91742667e9978d590902b0 100644
--- a/pkg/simple/client/devops/pipeline_test.go
+++ b/pkg/simple/client/devops/pipeline_test.go
@@ -1,6 +1,7 @@
 package devops
 
 import (
+	"fmt"
 	"gotest.tools/assert"
 	"testing"
 )
@@ -32,3 +33,38 @@ func TestApprovable(t *testing.T) {
 	assert.Equal(t, input.Approvable("good"), true, "should be approvable")
 	assert.Equal(t, input.Approvable("bad"), true, "should be approvable")
 }
+
+func TestPipelineJsonMarshall(t *testing.T) {
+	const name = "fakeName"
+	var err error
+	var pipelineText string
+	var pipelienList *PipelineList
+
+	pipelineText = fmt.Sprintf(`[{"displayName":"%s", "weatherScore": 11}]`, name)
+	pipelienList, err = UnmarshalPipeline(1, []byte(pipelineText))
+	assert.NilError(t, err, "pipeline json marshal should be success")
+	assert.Equal(t, pipelienList.Total, 1)
+	assert.Equal(t, len(pipelienList.Items), 1)
+	assert.Equal(t, pipelienList.Items[0].DisplayName, name)
+	assert.Equal(t, pipelienList.Items[0].WeatherScore, 11)
+
+	// test against the default value of weatherScore, it should be 100
+	pipelineText = fmt.Sprintf(`[{"displayName":"%s"}]`, name)
+	pipelienList, err = UnmarshalPipeline(1, []byte(pipelineText))
+	assert.NilError(t, err, "pipeline json marshal should be success")
+	assert.Equal(t, pipelienList.Total, 1)
+	assert.Equal(t, len(pipelienList.Items), 1)
+	assert.Equal(t, pipelienList.Items[0].DisplayName, name)
+	assert.Equal(t, pipelienList.Items[0].WeatherScore, 100)
+
+	// test against multiple items
+	pipelineText = fmt.Sprintf(`[{"displayName":"%s"}, {"displayName":"%s-1"}]`, name, name)
+	pipelienList, err = UnmarshalPipeline(2, []byte(pipelineText))
+	assert.NilError(t, err, "pipeline json marshal should be success")
+	assert.Equal(t, pipelienList.Total, 2)
+	assert.Equal(t, len(pipelienList.Items), 2)
+	assert.Equal(t, pipelienList.Items[0].DisplayName, name)
+	assert.Equal(t, pipelienList.Items[0].WeatherScore, 100)
+	assert.Equal(t, pipelienList.Items[1].DisplayName, fmt.Sprintf("%s-1", name))
+	assert.Equal(t, pipelienList.Items[1].WeatherScore, 100)
+}