diff --git a/build.cfg b/build.cfg
index 932c0b14..732b3303 100644
--- a/build.cfg
+++ b/build.cfg
@@ -1,10 +1,12 @@
+## https://github.com/fcitx/fcitx5/blob/master/src/modules/spell/CMakeLists.txt#L31
 # en dict
 en_dict = en_dict-20121020.tar.gz
 en_dict_sha256 = c44a5d7847925eea9e4d2d04748d442cd28dd9299a0b572ef7d91eac4f5a6ceb
 
+## https://github.com/fcitx/libime/blob/master/data/CMakeLists.txt
 # lm
-lm_sc = lm_sc.arpa-20241001.tar.zst
-lm_sc_sha256 = 54934e73966eb38ea4fe8eae9c61dfe486af37da1cb5316a06b19c7d289e3063
+lm_sc = lm_sc.arpa-20250113.tar.zst
+lm_sc_sha256 = ee83ecf20d52e8bccdba4cf6cd57183d53c257713a5eb77ee3a63d50fc3796dd
 
 # pinyin dict
 pinyin_dict = dict-20241001.tar.zst
@@ -14,10 +16,12 @@ pinyin_dict_sha256 = d3313b88a68620a23bc8d5f9564cf1b678848dc7af541c4f5f02198e5a3
 table = table-20240108.tar.gz
 table_sha256 = 729c596d86907de727c74d0fc3fd241c406c5debd2b4cb74eefe022387ee9dae
 
+## https://github.com/fcitx/fcitx5-chinese-addons/blob/master/im/pinyin/chaizi.txt
 # extra pinyin dict
 chinese_addon_repo = https://raw.githubusercontent.com/fcitx/fcitx5-chinese-addons/5.1.2/im/pinyin/
 chaizi_sha256 = cd659605360120f7390fda1a278eea12c4df6d763a95c8099068ab09cfafd058
 
+## https://github.com/fcitx/fcitx5-chinese-addons/blob/master/modules/pinyinhelper/CMakeLists.txt
 # py stroke
 py_stroke = py_stroke-20121124.tar.gz
 py_stroke_sha256 = 8eb128a9bfa43952e67cf2fcee1fd134c6f4cfd317bc2f6c38a615f5eb64e248
@@ -26,10 +30,12 @@ py_stroke_sha256 = 8eb128a9bfa43952e67cf2fcee1fd134c6f4cfd317bc2f6c38a615f5eb64e
 py_table = py_table-20121124.tar.gz
 py_table_sha256 = 42146ac97de6c13d55f9e99ed873915f4c66739e9c11532a34556badf9792c04
 
+## https://github.com/boostorg/boost/releases
 # boost
 boost_version = 1.86.0
 boost_sha256 = 2c5ec5edcdff47ff55e27ed9560b0a0b94b07bd07ed9928b476150e16b0efc57
 
+## https://github.com/fcitx/libime-jyutping/blob/master/data/CMakeLists.txt
 # jyutping dict
 jyutping_dict = jyutping-dict-20180104.tar.xz
 jyutping_dict_sha256 = e3a5b13edb8efa2f764245a3232f99ba7e7670e22b8cbe666a4fffa84b35f35b
diff --git a/libime b/libime
index 86d1651d..d5a28230 160000
--- a/libime
+++ b/libime
@@ -1 +1 @@
-Subproject commit 86d1651d84d0ca81480ffd742de89526c283f3ec
+Subproject commit d5a28230c4794426437f31a5b774006a41a443e1
diff --git a/librime b/librime
index 0a983b4e..6f6f5401 160000
--- a/librime
+++ b/librime
@@ -1 +1 @@
-Subproject commit 0a983b4ea8ae69546313287c1d2651ac2e742b4c
+Subproject commit 6f6f5401b0178b789a0ea6a5c49dbf1358be6f5c
diff --git a/librime-lua b/librime-lua
index b210d0cf..e3912a4b 160000
--- a/librime-lua
+++ b/librime-lua
@@ -1 +1 @@
-Subproject commit b210d0cfbd2a3cc6edd4709dd0a92c479bfca10b
+Subproject commit e3912a4b3ac2c202d89face3fef3d41eb1d7fcd6
diff --git a/patches/librime.patch b/patches/librime.patch
index 1ad76bf1..dc503ce1 100644
--- a/patches/librime.patch
+++ b/patches/librime.patch
@@ -63,7 +63,7 @@ index 2e1c8b81..94a6b500 100644
 @@ -35,6 +36,7 @@ class Engine : public Messenger {
    void set_active_engine(Engine* engine = nullptr) { active_engine_ = engine; }
  
-   RIME_API static Engine* Create();
+   RIME_DLL static Engine* Create();
 +  an<Switcher> switcher_;
  
   protected:
@@ -92,14 +92,14 @@ diff --git a/src/rime_api_impl.h b/src/rime_api_impl.h
 index 7749ce98..b0200a67 100644
 --- a/src/rime_api_impl.h
 +++ b/src/rime_api_impl.h
-@@ -15,6 +15,8 @@
+@@ -17,6 +17,8 @@
  #include <rime/setup.h>
  #include <rime/signature.h>
  #include <rime/switches.h>
 +#include <rime/engine.h>
 +#include <rime/switcher.h>
  
- #include "rime_api.h"
+ using namespace rime;
  
 @@ -426,6 +428,13 @@ RIME_DEPRECATED void RimeSetOption(RimeSessionId session_id,
    if (!ctx)