diff --git a/frontend/src/components/business/ms-minders/featureCaseMinder/index.vue b/frontend/src/components/business/ms-minders/featureCaseMinder/index.vue
index 057ba3c84f..306a2646ed 100644
--- a/frontend/src/components/business/ms-minders/featureCaseMinder/index.vue
+++ b/frontend/src/components/business/ms-minders/featureCaseMinder/index.vue
@@ -677,6 +677,18 @@
                 id: node.data?.id || '',
                 type: 'NONE',
               });
+            } else if (caseOffspringTags.some((e) => node.data?.resource?.includes(e))) {
+              // 用例下的子孙节点的移除，标记用例节点变化
+              const parentCase = tempMinderParams.value.updateCaseList.find((e) => e.id !== node.data?.id);
+              if (!parentCase) {
+                if (node.parent?.data?.resource?.includes(caseTag)) {
+                  // 第二层子节点
+                  node.parent.data.changed = true;
+                } else if (node.parent?.parent?.data?.resource?.includes(caseTag)) {
+                  // 第三层子节点
+                  node.parent.parent.data.changed = true;
+                }
+              }
             } else if (!caseOffspringTags.some((e) => node.data?.resource?.includes(e))) {
               // 非用例下的子孙节点的移除，才加入删除资源队列
               tempMinderParams.value.deleteResourceList.push({
@@ -859,6 +871,36 @@
             ...getNodeMoveInfo(nodeIndex, parent as MinderJsonNode),
           });
         }
+      } else if (node.data.resource?.includes(caseTag)) {
+        // 处理用例节点（直接更改用例子孙节点可能没触发用例节点变化）
+        let hasChangedSubNode = false;
+        traverseTree(node.children, (child) => {
+          if (child.data?.changed === true) {
+            hasChangedSubNode = true;
+            return false;
+          }
+          return true;
+        });
+        if (hasChangedSubNode) {
+          const caseNodeInfo = getCaseNodeInfo(node as MinderJsonNode);
+          let caseBaseInfo;
+          if (activeCase.value.id === node.data.id) {
+            // 当前用例节点是打开的用例详情，获取用例详情数据
+            caseBaseInfo = baseInfoRef.value?.makeParams();
+          }
+          tempMinderParams.value.updateCaseList.push({
+            id: node.data.id,
+            moduleId: parent?.data.id || '',
+            type: 'UPDATE',
+            templateId: templateId.value,
+            tags: caseBaseInfo?.tags || [],
+            customFields: caseBaseInfo?.customFields || [],
+            name: caseBaseInfo?.name || node.data.text,
+            ...getNodeMoveInfo(nodeIndex, parent as MinderJsonNode),
+            ...caseNodeInfo,
+          });
+        }
+        return false; // 用例的子孙节点已经处理过，跳过
       }
       return true;
     });
diff --git a/frontend/src/components/business/ms-minders/featureCaseMinder/useMinderBaseApi.ts b/frontend/src/components/business/ms-minders/featureCaseMinder/useMinderBaseApi.ts
index eb5bea1600..a3c836fd0d 100644
--- a/frontend/src/components/business/ms-minders/featureCaseMinder/useMinderBaseApi.ts
+++ b/frontend/src/components/business/ms-minders/featureCaseMinder/useMinderBaseApi.ts
@@ -370,8 +370,8 @@ export default function useMinderBaseApi({ hasEditPermission }: { hasEditPermiss
   /**
    * 插入步骤描述
    */
-  function insetStepDesc() {
-    insertSpecifyNode('AppendChildNode', stepTag);
+  function insetStepDesc(type: 'AppendChildNode' | 'AppendSiblingNode') {
+    insertSpecifyNode(type, stepTag);
     nextTick(() => {
       insertSpecifyNode('AppendChildNode', stepExpectTag);
     });
@@ -420,7 +420,7 @@ export default function useMinderBaseApi({ hasEditPermission }: { hasEditPermiss
               insertSpecifyNode('AppendChildNode', remarkTag);
             } else if (!hasTextDesc) {
               // 没有文本描述，则默认添加一个步骤描述
-              insetStepDesc();
+              insetStepDesc('AppendChildNode');
             }
           }
         } else if (
@@ -468,7 +468,7 @@ export default function useMinderBaseApi({ hasEditPermission }: { hasEditPermiss
             insertSpecifyNode('AppendSiblingNode', remarkTag);
           } else if (!hasTextDesc) {
             // 没有文本描述，则默认添加一个步骤描述
-            insetStepDesc();
+            insetStepDesc('AppendSiblingNode');
           }
         } else if (node.parent?.data?.resource?.includes(moduleTag) || !node.parent?.data?.resource) {
           // 当前节点的父节点是模块或没有标签，则默认添加一个文本节点
diff --git a/frontend/src/components/pure/ms-minder-editor/hooks/useShortCut.ts b/frontend/src/components/pure/ms-minder-editor/hooks/useShortCut.ts
index 05bc1532f0..5021a318f1 100644
--- a/frontend/src/components/pure/ms-minder-editor/hooks/useShortCut.ts
+++ b/frontend/src/components/pure/ms-minder-editor/hooks/useShortCut.ts
@@ -1,3 +1,4 @@
+import type { MinderJsonNode } from '../props';
 import useMinderOperation, { type MinderOperationProps } from './useMinderOperation';
 
 type ShortcutKey = 'expand' | 'enter' | 'appendSiblingNode' | 'appendChildNode' | 'undo' | 'redo' | 'delete';
@@ -10,6 +11,20 @@ export default function useShortCut(shortcuts: Shortcuts, options: MinderOperati
   const { minderCopy, minderCut, minderPaste } = useMinderOperation(options);
 
   const handleKeyDown = (event: KeyboardEvent) => {
+    const nodes: MinderJsonNode[] = window.minder.getSelectedNodes();
+    if (nodes.length === 0) {
+      return;
+    }
+    const { editor } = window;
+    const { fsm } = editor;
+    const state = fsm.state();
+    switch (state) {
+      case 'input': {
+        // 输入状态下不响应快捷键
+        return;
+      }
+      default:
+    }
     const key = event.key.toLowerCase();
     const isCtrlOrCmd = event.ctrlKey || event.metaKey;
 
diff --git a/frontend/src/components/pure/ms-minder-editor/minderEditor.vue b/frontend/src/components/pure/ms-minder-editor/minderEditor.vue
index ee21c33933..38668dc09c 100644
--- a/frontend/src/components/pure/ms-minder-editor/minderEditor.vue
+++ b/frontend/src/components/pure/ms-minder-editor/minderEditor.vue
@@ -184,6 +184,7 @@
         }
       },
       handleContentChange: (node?: MinderJsonNode) => {
+        // ！！！注意：这里如果是点击输入框以外的地方触发失焦，node 为 undefined，此时 node.data.changed 已标记 true
         emit('contentChange', node);
       },
       handleMinderEvent: (event) => {