diff --git a/src/app/presentation/design/path/path.component.ts b/src/app/presentation/design/path/path.component.ts
index 907aad5d..ed801205 100644
--- a/src/app/presentation/design/path/path.component.ts
+++ b/src/app/presentation/design/path/path.component.ts
@@ -122,24 +122,20 @@ export class PathComponent implements OnInit {
     if (this.pipeData.length <= 0) {
       return;
     }
+    this.maxLength--;
+    this.pipeData = this.removeLastItem(this.pipeData);
+  }
 
-    const that = this;
-
-    function removeLastItem(items) {
-      // tslint:disable-next-line:prefer-for-of
-      for (let i = 0; i < items.length; i++) {
-        for (let j = 0; j <= that.maxLength; j++) {
-          if (j > that.maxLength - 1) {
-            items[i].items.splice(-1, 1);
-          }
+  removeLastItem(items) {
+    // tslint:disable-next-line:prefer-for-of
+    for (let i = 0; i < items.length; i++) {
+      for (let j = 0; j <= this.maxLength; j++) {
+        if (j > this.maxLength - 1) {
+          items[i].items.splice(-1, 1);
         }
       }
-
-      return items;
     }
-
-    this.maxLength--;
-    this.pipeData = removeLastItem(this.pipeData);
+    return items;
   }
 
   getContainerStyle(pipe: Item) {
diff --git a/src/app/presentation/job/job.component.ts b/src/app/presentation/job/job.component.ts
index dfedb14e..1f2d9532 100644
--- a/src/app/presentation/job/job.component.ts
+++ b/src/app/presentation/job/job.component.ts
@@ -47,20 +47,7 @@ export class JobComponent implements OnInit {
       .subscribe(
         (res: any[]) => {
           const result: any[] = res || [];
-          const jobList = [];
-          for (const job of result.reverse()) {
-            const arr = job.body.replace(/:/g, '：').split('\r\n');
-            const info = {};
-            for (const str of arr) {
-              const [key, value] = this.splitOnFirstColon(str);
-              info[key] = value;
-            }
-            const jobInfo = issueToForm(info);
-            jobInfo.htmlUrl = job.html_url;
-            jobInfo.date = format(new Date(job.updated_at), 'yyyy/MM/dd');
-            jobList.push(jobInfo);
-          }
-          this.jobList = jobList;
+          this.buildJobList(result);
         },
         () => {},
         () => {
@@ -69,6 +56,23 @@ export class JobComponent implements OnInit {
       );
   }
 
+  private buildJobList(result: any[]) {
+    const jobList = [];
+    for (const job of result.reverse()) {
+      const arr = job.body.replace(/:/g, '：').split('\r\n');
+      const info = {};
+      for (const str of arr) {
+        const [key, value] = this.splitOnFirstColon(str);
+        info[key] = value;
+      }
+      const jobInfo = issueToForm(info);
+      jobInfo.htmlUrl = job.html_url;
+      jobInfo.date = format(new Date(job.updated_at), 'yyyy/MM/dd');
+      jobList.push(jobInfo);
+    }
+    this.jobList = jobList;
+  }
+
   splitOnFirstColon(str) {
     const idx = str.indexOf('：');
     return [str.substr(0, idx), str.substr(idx + 1)];