show variable using count

sample/vars/test-vars.json

@@ -63,16 +63,10 @@
         "name": "Clear",
         "output": [
           "test"
-        ],
-        "children": [
-          {
-            "id": 9,
-            "name": "Idle"
-          }
         ]
       },
       {
-        "id": 10,
+        "id": 9,
         "name": "TestB3",
         "args": {
           "time": 1,
@@ -83,7 +77,7 @@
         }
       },
       {
-        "id": 11,
+        "id": 10,
         "name": "TestB3",
         "args": {
           "time": 1,
@@ -92,6 +86,13 @@
           "name": "1",
           "status": "RUNNING"
         }
+      },
+      {
+        "id": 11,
+        "name": "Clear",
+        "output": [
+          "context"
+        ]
       }
     ]
   },