diff --git a/app/mindmap/eaf-mindmap.el b/app/mindmap/eaf-mindmap.el
index 7a5efa7..aef99b1 100644
--- a/app/mindmap/eaf-mindmap.el
+++ b/app/mindmap/eaf-mindmap.el
@@ -316,7 +316,7 @@ actural call `org-json-gen-alist1' to work."
       (eaf-edit-mode)
       (set (make-local-variable 'eaf--buffer-id) buffer-id))
     (switch-to-buffer edit-text-buffer)
-    (setq eaf-mindmap--current-add-mode "sub")
+    (setq-local eaf-mindmap--current-add-mode "sub")
     (setq header-line-format
         (substitute-command-keys
          (concat
@@ -345,7 +345,7 @@ actural call `org-json-gen-alist1' to work."
       (eaf-edit-mode)
       (set (make-local-variable 'eaf--buffer-id) buffer-id))
     (switch-to-buffer edit-text-buffer)
-    (setq eaf-mindmap--current-add-mode "brother")
+    (setq-local eaf-mindmap--current-add-mode "brother")
     (setq header-line-format
         (substitute-command-keys
          (concat
@@ -374,7 +374,7 @@ actural call `org-json-gen-alist1' to work."
       (eaf-edit-mode)
       (set (make-local-variable 'eaf--buffer-id) buffer-id))
     (switch-to-buffer edit-text-buffer)
-    (setq eaf-mindmap--current-add-mode "middle")
+    (setq-local eaf-mindmap--current-add-mode "middle")
     (setq header-line-format
         (substitute-command-keys
          (concat
diff --git a/eaf.el b/eaf.el
index 474448b..270d522 100644
--- a/eaf.el
+++ b/eaf.el
@@ -761,6 +761,8 @@ Python process only create application view when Emacs window or buffer state ch
 
 (defvar-local eaf--bookmark-title nil)
 
+(defvar-local eaf-mindmap--current-add-mode nil)
+
 (defun eaf-browser-restore-buffers ()
   "EAF restore all opened EAF Browser buffers in the previous Emacs session.
 
@@ -2002,7 +2004,7 @@ Make sure that your smartphone is connected to the same WiFi network as this com
       (eaf-edit-mode)
       (set (make-local-variable 'eaf--buffer-id) buffer-id))
     (switch-to-buffer edit-text-buffer)
-    (setq eaf-mindmap--current-add-mode "")
+    (setq-local eaf-mindmap--current-add-mode "")
     (eaf--edit-set-header-line)
     (insert focus-text)
     ;; When text line number above