diff --git a/patch_v2/meow_launcherd/font_theme.c b/patch_v2/meow_launcherd/font_theme.c
index 0988dca..525819a 100644
--- a/patch_v2/meow_launcherd/font_theme.c
+++ b/patch_v2/meow_launcherd/font_theme.c
@@ -717,7 +717,14 @@ void meow_font_scan_presets_root(const char *card_root)
     }
     /* M2.58：扫描结果落盘为 <card_root>/MeowOS/config/fonts/index（含默认行 index0），
      * 作为 SDK meow_font_get_available_count()/enumerate() 的持久数据源；无卡时仅默认 1 行，
-     * 由 meow_font_write_index 内部 mkdir-fail 静默放弃（此路径不刷屏）。 */
+     * 由 meow_font_write_index 内部 mkdir-fail 静默放弃（此路径不刷屏）。
+     * M2.82+ 修补：挂载点目录在无卡时也存在（mkdir 骗过 ENOENT 检查）→ 开机早扫曾把
+     * 卡上 18 条 index 覆盖成 1 条默认。故：fonts 根目录根本没打开（opendir 失败）且
+     * 只剩默认项时，判定为「卡在但字库目录不可读/未就绪」→ 不写 index，保留旧索引。 */
+    if (!d && font_presets_n <= 1) {
+        logmsg("fonts: scan root unavailable, keep existing index (%d presets in mem)", font_presets_n);
+        return;
+    }
     meow_font_write_index(card_root);
 }
 
diff --git a/patch_v2/meow_launcherd/main_menu.c b/patch_v2/meow_launcherd/main_menu.c
index d64825c..43b6ac3 100644
--- a/patch_v2/meow_launcherd/main_menu.c
+++ b/patch_v2/meow_launcherd/main_menu.c
@@ -898,6 +898,7 @@ static void run_menu(struct app apps[MAX_APPS], int napps, int state,
                 int was_nocard = (state == 1);
                 if (!mfont_ready && meow_font_ensure()) { dirty = 1; logmsg("hotplug: font loaded late"); }
                 if (mfont_ready) meow_font_reload_multifont();   /* M2.5x：卡挂载后重配多字体（此前无全局可配） */
+                meow_font_scan_presets();   /* M2.82+：卡就绪后重扫字库（启动时卡未挂载会只有默认项） */
                 if (was_nocard || state != 0 || napps == 0) {
                     struct app fresh[MAX_APPS];
                     int fn = scan_apps(fresh);
diff --git a/patch_v2/meow_launcherd/meow_launcherd b/patch_v2/meow_launcherd/meow_launcherd
index e328ca8..521aa37 100755
Binary files a/patch_v2/meow_launcherd/meow_launcherd and b/patch_v2/meow_launcherd/meow_launcherd differ