diff --git a/libs/tiptap-editor/src/index.ts b/libs/tiptap-editor/src/index.ts
index e0218e1..5d67c19 100644
--- a/libs/tiptap-editor/src/index.ts
+++ b/libs/tiptap-editor/src/index.ts
@@ -235,6 +235,8 @@ class TiptapEditorInstance {
     this.editor?.destroy()
     this.editor = null
     this.coordinator = null
+    // 清除 NodeView 的 coordinator 引用，避免指向已销毁的实例
+    setUploadCoordinator(null)
     // 清理源码模式相关引用（容器 innerHTML 已清空，DOM 会随之移除）
     this.sourceTextarea = null
     this.toggleButton = null
diff --git a/libs/tiptap-editor/src/upload-image.ts b/libs/tiptap-editor/src/upload-image.ts
index f45f6d3..7744dea 100644
--- a/libs/tiptap-editor/src/upload-image.ts
+++ b/libs/tiptap-editor/src/upload-image.ts
@@ -1,5 +1,5 @@
 import { Image } from '@tiptap/extension-image'
-import { mergeAttributes, type Editor } from '@tiptap/core'
+import { mergeAttributes } from '@tiptap/core'
 import type { Node as PMNode } from '@tiptap/pm/model'
 
 /** NodeView 按钮点击回调注入接口。 */
@@ -20,7 +20,6 @@ export interface UploadNodeViewCallbacks {
  * 属性变化时 ProseMirror 调 update(node)，NodeView 比较新旧 data-upload-state 重渲染遮罩。
  */
 class UploadImageNodeView {
-  private editor: Editor
   private node: PMNode
   private callbacks: UploadNodeViewCallbacks
 
@@ -30,12 +29,10 @@ class UploadImageNodeView {
 
   constructor(opts: {
     node: PMNode
-    editor: Editor
     HTMLAttributes: Record<string, unknown>
     callbacks: UploadNodeViewCallbacks
   }) {
     this.node = opts.node
-    this.editor = opts.editor
     this.callbacks = opts.callbacks
 
     this.container = document.createElement('div')
@@ -183,10 +180,9 @@ export const UploadImage = Image.configure({ allowBase64: true }).extend({
   },
 
   addNodeView() {
-    return ({ node, HTMLAttributes, editor }) => {
+    return ({ node, HTMLAttributes }) => {
       return new UploadImageNodeView({
         node,
-        editor,
         HTMLAttributes,
         callbacks: {
           onRetry: (id) => coordinatorRef?.retryUpload(id),
diff --git a/src/pages/admin/write.rs b/src/pages/admin/write.rs
index df3a067..9bbeccb 100644
--- a/src/pages/admin/write.rs
+++ b/src/pages/admin/write.rs
@@ -332,14 +332,21 @@ fn write_editor(post_id: Option<i32>) -> Element {
                             for ev in parsed.events {
                                 match ev.kind.as_str() {
                                     "error" => {
-                                        if !seen_error_ids.contains(&ev.upload_id) {
-                                            seen_error_ids.insert(ev.upload_id.clone());
+                                        let msg = ev.error_msg.unwrap_or_else(|| "上传失败".to_string());
+                                        if seen_error_ids.insert(ev.upload_id.clone()) {
+                                            // 新失败：追加提示
                                             upload_errors.write().push(UploadErrorEntry {
                                                 id: ev.upload_id,
                                                 file_name: ev.file_name,
-                                                message: ev.error_msg
-                                                    .unwrap_or_else(|| "上传失败".to_string()),
+                                                message: msg,
                                             });
+                                        } else {
+                                            // 已存在的 id（重试后再失败）：原地更新消息，
+                                            // 避免顶部提示停留在旧错误文案。
+                                            let mut errors = upload_errors.write();
+                                            if let Some(entry) = errors.iter_mut().find(|e| e.id == ev.upload_id) {
+                                                entry.message = msg;
+                                            }
                                         }
                                     }
                                     "success" | "removed" => {
@@ -392,8 +399,10 @@ fn write_editor(post_id: Option<i32>) -> Element {
                 })()
             "#).ok().and_then(|v| v.as_string()).unwrap_or_default();
 
-            // 兜底：扫描残留的 blob: 或 data-upload-state（轮询窗口期漏判防护）
-            if md.contains("blob:") || md.contains("data-upload-state") {
+            // 兜底：扫描残留的上传占位符标记（轮询窗口期漏判防护）
+            // 检测 ![](blob:...) 形式的泄漏图片 src，而非裸 "blob:" 字符串，
+            // 避免误伤合法讨论 blob URL 的代码块/正文。
+            if md.contains("](blob:") || md.contains("data-upload-state") {
                 error.set(Some("检测到未完成上传的图片，请处理后保存".to_string()));
                 return;
             }