diff --git a/patch_v2/ncm_app/core/ncm_http.h b/patch_v2/ncm_app/core/ncm_http.h
index ab0988e..34012cf 100644
--- a/patch_v2/ncm_app/core/ncm_http.h
+++ b/patch_v2/ncm_app/core/ncm_http.h
@@ -20,7 +20,7 @@
 extern "C" {
 #endif
 
-#define NCM_HTTP_HDR_MAX 4096
+#define NCM_HTTP_HDR_MAX 16384   /* M2.82 联调修：网易登录轮询 set-cookie 风暴 >4KB（MUSIC_U 等），原 4096 溢出 ERR_FULL */
 #define NCM_CA_PATH_MAX  256
 
 /* req->verify_ca 三态：1=校验，0=跳过，-1=用全局默认（ncm_http_set_verify_default） */
diff --git a/patch_v2/ncm_app/core/ncm_login.c b/patch_v2/ncm_app/core/ncm_login.c
index 26ccda0..fb662b1 100644
--- a/patch_v2/ncm_app/core/ncm_login.c
+++ b/patch_v2/ncm_app/core/ncm_login.c
@@ -111,7 +111,7 @@ int ncm_login_poll(const char *device_id, const char *unikey, const char *cur_co
     if (rc != NCM_OK) return rc;
 
     /* 提取 set-cookie */
-    char captured[1024] = "";
+    char captured[4096] = "";   /* 登录响应 cookie 串较长，1024 易截断 */
     ncm_http_parse_set_cookie(resp.headers, resp.headers_len, captured, sizeof captured);
     if (captured[0]) r->cookie_was_set = 1;
     if (out_cookie) merge_cookie(cur_cookie, captured, out_cookie, out_cookie_sz);
diff --git a/patch_v2/ncm_app/ncm b/patch_v2/ncm_app/ncm
index 48bf2c1..30f4d6c 100755
Binary files a/patch_v2/ncm_app/ncm and b/patch_v2/ncm_app/ncm differ