diff --git a/frontend/src/business/components/track/case/TestCase.vue b/frontend/src/business/components/track/case/TestCase.vue
index bdcb1ea2bb..77ad6ae0da 100644
--- a/frontend/src/business/components/track/case/TestCase.vue
+++ b/frontend/src/business/components/track/case/TestCase.vue
@@ -38,6 +38,7 @@
               @refresh="refresh"
               @refreshAll="refreshAll"
               @setCondition="setCondition"
+              @decrease="decrease"
               :custom-num="custom_num"
               ref="testCaseList">
             </test-case-list>
@@ -310,6 +311,12 @@ export default {
       this.$refs.nodeTree.list();
       this.setTable(data);
     },
+    increase(id) {
+      this.$refs.nodeTree.increase(id);
+    },
+    decrease(id) {
+      this.$refs.nodeTree.decrease(id);
+    },
     editTestCase(testCase) {
       this.type = "edit";
       this.testCaseReadOnly = false;
diff --git a/frontend/src/business/components/track/case/components/TestCaseList.vue b/frontend/src/business/components/track/case/components/TestCaseList.vue
index e3f2a7b1b0..b0f2713582 100644
--- a/frontend/src/business/components/track/case/components/TestCaseList.vue
+++ b/frontend/src/business/components/track/case/components/TestCaseList.vue
@@ -522,9 +522,9 @@ export default {
     _handleDelete(testCase) {
       let testCaseId = testCase.id;
       this.$post('/test/case/delete/' + testCaseId, {}, () => {
-        this.$emit('refreshTable');
         this.initTableData();
         this.$success(this.$t('commons.delete_success'));
+        this.$emit('decrease', testCase.nodeId);
       });
     },
     refresh() {
diff --git a/frontend/src/business/components/track/common/NodeTree.vue b/frontend/src/business/components/track/common/NodeTree.vue
index 53c884b429..16a6278220 100644
--- a/frontend/src/business/components/track/common/NodeTree.vue
+++ b/frontend/src/business/components/track/common/NodeTree.vue
@@ -205,6 +205,42 @@ export default {
         }
       });
     },
+    increase(id) {
+      this.traverse(id, node => {
+        if (node.caseNum) {
+          node.caseNum++;
+        }
+      });
+    },
+    decrease(id) {
+      this.traverse(id, node => {
+        if (node.caseNum) {
+          node.caseNum--;
+        }
+      });
+    },
+    traverse(id, callback) {
+      for (let i = 0; i < this.treeNodes.length; i++) {
+        let rootNode = this.treeNodes[i];
+        this._traverse(rootNode, id, callback);
+      }
+    },
+    _traverse(rootNode, id, callback) {
+      if (rootNode.id === id) {
+        if (callback) {
+          callback(rootNode);
+        }
+        return true;
+      }
+      if (!rootNode.children) {return false;}
+      for (let i = 0; i < rootNode.children.length; i++) {
+        let children = rootNode.children[i];
+        let result = this._traverse(children);
+        if (result === true) {
+          return result;
+        }
+      }
+    },
     append(node, data) {
       const newChild = {
         id: undefined,
diff --git a/frontend/src/business/components/track/common/TestCaseNodeTree.vue b/frontend/src/business/components/track/common/TestCaseNodeTree.vue
index 09155999fa..6e1f449c7e 100644
--- a/frontend/src/business/components/track/common/TestCaseNodeTree.vue
+++ b/frontend/src/business/components/track/common/TestCaseNodeTree.vue
@@ -138,6 +138,12 @@ export default {
         });
       }
     },
+    increase(id) {
+      this.$refs.nodeTree.increase(id);
+    },
+    decrease(id) {
+      this.$refs.nodeTree.decrease(id);
+    },
     edit(param) {
       param.projectId = this.projectId;
       this.$post("/case/node/edit", param, () => {