diff --git a/LunaTranslator/LunaTranslator/transoptimi/gongxiangcishu.py b/LunaTranslator/LunaTranslator/transoptimi/gongxiangcishu.py
index 1cbb5f5a..735aa1ba 100644
--- a/LunaTranslator/LunaTranslator/transoptimi/gongxiangcishu.py
+++ b/LunaTranslator/LunaTranslator/transoptimi/gongxiangcishu.py
@@ -136,8 +136,7 @@ class Process:
             res = reg.sub(self.vnrshareddict[context[key]]["text"], res)
         for key, value in self.sorted_vnrshareddict_post:
             if key in res:
-                res = res.replace(key, value["text"])
-                res = res.replace(key.lower(), value["text"])
+                res = re.sub(key, value["text"], res, flags=re.IGNORECASE)
         return res
 
     @staticmethod
diff --git a/LunaTranslator/LunaTranslator/transoptimi/noundict.py b/LunaTranslator/LunaTranslator/transoptimi/noundict.py
index 0260fb67..c799100c 100644
--- a/LunaTranslator/LunaTranslator/transoptimi/noundict.py
+++ b/LunaTranslator/LunaTranslator/transoptimi/noundict.py
@@ -1,5 +1,5 @@
 from myutils.config import savehook_new_data, globalconfig
-import gobject
+import gobject, re
 from qtsymbols import *
 from myutils.utils import postusewhich
 from myutils.config import get_launchpath
@@ -89,6 +89,5 @@ class Process:
     def process_after(self, res: str, context):
         mp1 = context["zhanweifu"]
         for key in mp1:
-            res = res.replace(key, mp1[key])
-            res = res.replace(key.lower(), mp1[key])
+            res = re.sub(key, mp1[key], res, flags=re.IGNORECASE)
         return res