diff --git a/patch_v2/ncm_app/app.json b/patch_v2/ncm_app/app.json
index 3e93bce..dab8424 100644
--- a/patch_v2/ncm_app/app.json
+++ b/patch_v2/ncm_app/app.json
@@ -1 +1 @@
-{"name":"网易云音乐","exec":"/usr/data/mnt/sd_0/MeowAPPs/os.meow.ncm/ncm","package":"os.meow.ncm","version":"0.1","version_code":1,"framework":1,"immersive":1,"fonts":"gbk","author":"MeowOS"}
+{"name":"网易云音乐","exec":"/usr/data/mnt/sd_0/MeowAPPs/dev.player.ncm/ncm","package":"dev.player.ncm","version":"0.1","version_code":1,"framework":1,"immersive":1,"fonts":"gbk","author":"MeowOS"}
diff --git a/patch_v2/ncm_app/app/app.c b/patch_v2/ncm_app/app/app.c
index dee7969..e5a3f33 100644
--- a/patch_v2/ncm_app/app/app.c
+++ b/patch_v2/ncm_app/app/app.c
@@ -1,4 +1,4 @@
-/* app.c — os.meow.ncm 应用装配层：main + 组装 + 事件分发。
+/* app.c — dev.player.ncm 应用装配层：main + 组装 + 事件分发。
  *
  * 职责（对齐 hello_app/app.c）：main 只做初始化/建页/跑事件循环/清理；把 meow_ui_run 的平铺输入
  * 回调（key/tap/swipe/tick/touch）路由到当前活动页。页面切换统一走 meow_view_page_push/pop/replace。
@@ -110,7 +110,7 @@ int main(void)
     appstate_init();
     /* M2.82-联调修复：设备无系统 CA 库（真机 rc=-5 TLS 错误根因）——App 自带 Mozilla CA bundle，
      * 显式指给 core HTTP 层（保持 verify=1，不降级为不校验） */
-    ncm_http_set_verify_default(1, "/usr/data/mnt/sd_0/MeowAPPs/os.meow.ncm/cacert.pem");
+    ncm_http_set_verify_default(1, "/usr/data/mnt/sd_0/MeowAPPs/dev.player.ncm/cacert.pem");
 
     /* 播放 + 媒体会话线程（UI 不卡；无 launcher socket 时 ipc 优雅跳过） */
     player_manager_start();
diff --git a/patch_v2/ncm_app/app/logic/appstate.c b/patch_v2/ncm_app/app/logic/appstate.c
index 45337f2..25479f4 100644
--- a/patch_v2/ncm_app/app/logic/appstate.c
+++ b/patch_v2/ncm_app/app/logic/appstate.c
@@ -4,7 +4,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-#define NCM_DEFAULT_DATA "/usr/data/mnt/sd_0/MeowData/os.meow.ncm/data"
+#define NCM_DEFAULT_DATA "/usr/data/mnt/sd_0/MeowData/dev.player.ncm/data"
 
 int appstate_init(void)
 {
diff --git a/patch_v2/ncm_app/app/ncm_app_internal.h b/patch_v2/ncm_app/app/ncm_app_internal.h
index e37311c..b95f19b 100644
--- a/patch_v2/ncm_app/app/ncm_app_internal.h
+++ b/patch_v2/ncm_app/app/ncm_app_internal.h
@@ -1,4 +1,4 @@
-/* ncm_app_internal.h — os.meow.ncm 应用内部共享头（UI 各页 + app 装配层 + 宿主测试面）。
+/* ncm_app_internal.h — dev.player.ncm 应用内部共享头（UI 各页 + app 装配层 + 宿主测试面）。
  *
  * 层级（对齐 hello_app/app.c 批② + files_app）：
  *   - app.c                   main + 装配 + 事件分发（把 meow_ui_run 的平铺回调路由到各页）
@@ -85,7 +85,7 @@ extern const char *media; /* 占位 */
 /* ---- App 全局状态（main 线程拥有；play 线程经 ncm_play_run 共享）---- */
 typedef struct ncm_app_state {
     ncm_ctx_t   ctx;                 /* 核心库上下文（device_id/cookie/cache） */
-    char        data_dir[512];       /* 数据目录（MeowData/os.meow.ncm/data） */
+    char        data_dir[512];       /* 数据目录（MeowData/dev.player.ncm/data） */
     char        cache_dir[512];
 
     /* 登录 */
@@ -120,7 +120,7 @@ typedef struct ncm_app_state {
     int         lyric_line_count;
     int         cur_lyric_line;
 
-    /* 设置（持久化 MeowData/os.meow.ncm/data）*/
+    /* 设置（持久化 MeowData/dev.player.ncm/data）*/
     int         level;               /* NCM_LEVEL_* */
     int         cache_limit_gb;
 
diff --git a/patch_v2/ncm_app/app/play/ipc_media.c b/patch_v2/ncm_app/app/play/ipc_media.c
index 58e289c..78a66f4 100644
--- a/patch_v2/ncm_app/app/play/ipc_media.c
+++ b/patch_v2/ncm_app/app/play/ipc_media.c
@@ -96,7 +96,7 @@ static void send_meta(int fd, uint32_t req_id)
 {
     m_meta_t mm;
     memset(&mm, 0, sizeof mm);
-    ncm_strlcpy(mm.app_id, "os.meow.ncm", sizeof mm.app_id);
+    ncm_strlcpy(mm.app_id, "dev.player.ncm", sizeof mm.app_id);
 
     int idx = player_manager_playing_song();
     pthread_mutex_lock(&g_play.mu);
@@ -156,7 +156,7 @@ static void *ipc_thread(void *arg)
 
     m_hello_t h;
     memset(&h, 0, sizeof h);
-    ncm_strlcpy(h.app_id, "os.meow.ncm", sizeof h.app_id);
+    ncm_strlcpy(h.app_id, "dev.player.ncm", sizeof h.app_id);
     h.version = 1;
     h.flags = MF_PLAYBACK;
     if (send_frame(fd, MSG_HELLO, 1, &h, sizeof h) != 0) { close(fd); return NULL; }
diff --git a/patch_v2/ncm_app/app/ui/chrome.c b/patch_v2/ncm_app/app/ui/chrome.c
index e87d140..5fa540e 100644
--- a/patch_v2/ncm_app/app/ui/chrome.c
+++ b/patch_v2/ncm_app/app/ui/chrome.c
@@ -1,4 +1,4 @@
-/* ui/common/chrome.c — os.meow.ncm 共享 chrome（TopAppBar 建置 / 几何 / 空态&页脚 / 底部提示条）。
+/* ui/common/chrome.c — dev.player.ncm 共享 chrome（TopAppBar 建置 / 几何 / 空态&页脚 / 底部提示条）。
  *
  * 与 files_app/ui/common/chrome.c 同理：把「页面 chrome 固定不随内容重建」分出去。绘制全部读
  * meow_theme_get() 语义色（§8.1），不硬编码配色。topbar 由 meow_topappbar 建，自动注册进绘制物
diff --git a/patch_v2/ncm_app/app/ui/settings.c b/patch_v2/ncm_app/app/ui/settings.c
index f0bb48b..871ebb6 100644
--- a/patch_v2/ncm_app/app/ui/settings.c
+++ b/patch_v2/ncm_app/app/ui/settings.c
@@ -1,7 +1,7 @@
 /* ui/settings.c — 设置页（ACT_SETTINGS）。
  *
  * 行项：音质（Hi-res/较高/标准，默认 Hi-res）+ 缓存上限（1~100GB，默认 10GB）+ 退出登录。
- * 设置持久化到 MeowData/os.meow.ncm/data（meow_config_*；缓存上限键 ncm.cache_limit_gb 与核心库
+ * 设置持久化到 MeowData/dev.player.ncm/data（meow_config_*；缓存上限键 ncm.cache_limit_gb 与核心库
  * ncm_cache_load_setting 对齐）。音质/上限经 BottomSheet 选择；退出登录经 confirm 弹窗。
  * 空态/绘制用 custom 绘制物 + 手动行命中（仅 3 行，无需列表滚动）。
  */
diff --git a/patch_v2/ncm_app/bench/dev_repro.c b/patch_v2/ncm_app/bench/dev_repro.c
index f749538..4d0ecd6 100644
--- a/patch_v2/ncm_app/bench/dev_repro.c
+++ b/patch_v2/ncm_app/bench/dev_repro.c
@@ -10,8 +10,8 @@
 #include <string.h>
 
 int main(int argc, char **argv) {
-    const char *data_dir = argc > 1 ? argv[1] : "/usr/data/mnt/sd_0/MeowData/os.meow.ncm/data";
-    const char *cacert   = argc > 2 ? argv[2] : "/usr/data/mnt/sd_0/MeowAPPs/os.meow.ncm/cacert.pem";
+    const char *data_dir = argc > 1 ? argv[1] : "/usr/data/mnt/sd_0/MeowData/dev.player.ncm/data";
+    const char *cacert   = argc > 2 ? argv[2] : "/usr/data/mnt/sd_0/MeowAPPs/dev.player.ncm/cacert.pem";
 
     ncm_ctx_t ctx;
     ncm_ctx_init(&ctx, data_dir);
diff --git a/patch_v2/ncm_app/bench/dev_repro2.c b/patch_v2/ncm_app/bench/dev_repro2.c
index a92a9ef..3670350 100644
--- a/patch_v2/ncm_app/bench/dev_repro2.c
+++ b/patch_v2/ncm_app/bench/dev_repro2.c
@@ -9,8 +9,8 @@
 #include <string.h>
 
 int main(int argc, char **argv) {
-    const char *data_dir = argc > 1 ? argv[1] : "/usr/data/mnt/sd_0/MeowData/os.meow.ncm/data";
-    const char *cacert   = argc > 2 ? argv[2] : "/usr/data/mnt/sd_0/MeowAPPs/os.meow.ncm/cacert.pem";
+    const char *data_dir = argc > 1 ? argv[1] : "/usr/data/mnt/sd_0/MeowData/dev.player.ncm/data";
+    const char *cacert   = argc > 2 ? argv[2] : "/usr/data/mnt/sd_0/MeowAPPs/dev.player.ncm/cacert.pem";
 
     ncm_ctx_t ctx;
     ncm_ctx_init(&ctx, data_dir);
diff --git a/patch_v2/ncm_app/bench/verify_fixes.c b/patch_v2/ncm_app/bench/verify_fixes.c
index 0057b7b..8a36cad 100644
--- a/patch_v2/ncm_app/bench/verify_fixes.c
+++ b/patch_v2/ncm_app/bench/verify_fixes.c
@@ -38,8 +38,8 @@ static void run_chain(const char *pid, const char *label, int expect, int cap)
 
 int main(int argc, char **argv)
 {
-    const char *data_dir = argc > 1 ? argv[1] : "/usr/data/mnt/sd_0/MeowData/os.meow.ncm/data";
-    const char *cacert   = argc > 2 ? argv[2] : "/usr/data/mnt/sd_0/MeowAPPs/os.meow.ncm/cacert.pem";
+    const char *data_dir = argc > 1 ? argv[1] : "/usr/data/mnt/sd_0/MeowData/dev.player.ncm/data";
+    const char *cacert   = argc > 2 ? argv[2] : "/usr/data/mnt/sd_0/MeowAPPs/dev.player.ncm/cacert.pem";
     ncm_ctx_init(&ncm_ctx, data_dir);
     printf("device_id=%s cookie_len=%zu\n", ncm_ctx.device_id, strlen(ncm_ctx.cookie));
     ncm_http_set_verify_default(1, cacert);
diff --git a/patch_v2/ncm_app/bench/verify_home.c b/patch_v2/ncm_app/bench/verify_home.c
index cf4954f..b24e28d 100644
--- a/patch_v2/ncm_app/bench/verify_home.c
+++ b/patch_v2/ncm_app/bench/verify_home.c
@@ -9,8 +9,8 @@
 #include <string.h>
 
 int main(int argc, char **argv) {
-    const char *data_dir = argc > 1 ? argv[1] : "/usr/data/mnt/sd_0/MeowData/os.meow.ncm/data";
-    const char *cacert   = argc > 2 ? argv[2] : "/usr/data/mnt/sd_0/MeowAPPs/os.meow.ncm/cacert.pem";
+    const char *data_dir = argc > 1 ? argv[1] : "/usr/data/mnt/sd_0/MeowData/dev.player.ncm/data";
+    const char *cacert   = argc > 2 ? argv[2] : "/usr/data/mnt/sd_0/MeowAPPs/dev.player.ncm/cacert.pem";
 
     ncm_ctx_t ctx;
     ncm_ctx_init(&ctx, data_dir);
diff --git a/patch_v2/ncm_app/build_ncm.sh b/patch_v2/ncm_app/build_ncm.sh
index 7b0331a..ecc9c67 100755
--- a/patch_v2/ncm_app/build_ncm.sh
+++ b/patch_v2/ncm_app/build_ncm.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# build_ncm.sh — 构建 os.meow.ncm（网易云 App，SDK framework=1）：链 meow_ui.a + 核心库 + minimp3 + mbedtls。
+# build_ncm.sh — 构建 dev.player.ncm（网易云 App，SDK framework=1）：链 meow_ui.a + 核心库 + minimp3 + mbedtls。
 # 静态 MIPS32r2 (musl sf)。自有代码（app/ + core/）+ core 支撑 vendor 编译；vendor/minimp3/qrcodegen/jsmn 豁免告警。
 # 仅改本 App 目录；编译期不改 SDK（patch_v2/sdk/）、不动 meow_launcherd/。mipsel -Wall -Wextra 0 warning。
 set -e
diff --git a/patch_v2/ncm_app/build_ncm_host.sh b/patch_v2/ncm_app/build_ncm_host.sh
index 70831d5..d354e8a 100755
--- a/patch_v2/ncm_app/build_ncm_host.sh
+++ b/patch_v2/ncm_app/build_ncm_host.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# build_ncm_host.sh — 宿主编译 os.meow.ncm 真实页面（离屏 480x720），用于 MEOW_UI_DUMP 截图自查。
+# build_ncm_host.sh — 宿主编译 dev.player.ncm 真实页面（离屏 480x720），用于 MEOW_UI_DUMP 截图自查。
 # 思路：gcc 编 SDK 源码(-DMEOW_UI_HOST_TEST, meow_font 打桩 meow_ui_global/render) + 应用源码 +
 #       宿主核心库对象(out/core-host/*.o) + 宿主 mbedtls libs。
 # 运行：NCM_PAGE=home MEOW_UI_DUMP=/tmp/home.ppm ./ncm_host
diff --git a/patch_v2/ncm_app/core/ncm.h b/patch_v2/ncm_app/core/ncm.h
index 9985650..611db29 100644
--- a/patch_v2/ncm_app/core/ncm.h
+++ b/patch_v2/ncm_app/core/ncm.h
@@ -29,7 +29,7 @@ typedef struct ncm_ctx {
     int  default_level;                /* NCM_LEVEL_* 默认音质(Hi-res) */
 } ncm_ctx_t;
 
-/* 默认缓存目录（<data_dir>/../cache，即 MeowData/os.meow.ncm/cache）。 */
+/* 默认缓存目录（<data_dir>/../cache，即 MeowData/dev.player.ncm/cache）。 */
 int ncm_ctx_default_cache_dir(const char *data_dir, char *out, size_t out_sz);
 
 /* 初始化上下文：store(数据目录) + deviceId 载入/生成 + cookie 载入 + cache 目录 + 缓存上限配置。 */
diff --git a/patch_v2/ncm_app/core/ncm_cache.h b/patch_v2/ncm_app/core/ncm_cache.h
index 7f4691e..17d50a8 100644
--- a/patch_v2/ncm_app/core/ncm_cache.h
+++ b/patch_v2/ncm_app/core/ncm_cache.h
@@ -1,6 +1,6 @@
 /* ncm_cache.h — 听过的歌自动缓存（LRU 淘汰到上限）
  *
- * 目录：MeowData/os.meow.ncm/cache/（可被 ncm_cache_set_base_dir 覆盖）。
+ * 目录：MeowData/dev.player.ncm/cache/（可被 ncm_cache_set_base_dir 覆盖）。
  * 上限：默认 10GB，可配 1~100GB，配置键 ncm.cache_limit_gb（MeowOS 设置，读 <data_dir>/<key>.cfg）。
  * LRU：以文件 mtime 作为最后访问时间（lookup/commit 时刷新）；超限时按 mtime 升序删最旧。
  * 命中缓存即可离线播放（ncm_cache_lookup 返回已缓存文件路径）。
diff --git a/patch_v2/ncm_app/core/ncm_store.c b/patch_v2/ncm_app/core/ncm_store.c
index 2dd9dc1..637d735 100644
--- a/patch_v2/ncm_app/core/ncm_store.c
+++ b/patch_v2/ncm_app/core/ncm_store.c
@@ -17,7 +17,7 @@
 #define SESSION_FILE      "session.enc"
 #define SESSION_MAGIC     "NCM1"
 #define SESSION_MAGIC_LEN 4
-#define SESSION_SALT      "os.meow.ncm.session.v1"
+#define SESSION_SALT      "dev.player.ncm.session.v1"
 #define DEVICE_FILE       "deviceId"
 #define MKEY_FILE         ".mkey"
 
diff --git a/patch_v2/ncm_app/ncm b/patch_v2/ncm_app/ncm
index 085fcea..57e300d 100755
Binary files a/patch_v2/ncm_app/ncm and b/patch_v2/ncm_app/ncm differ