diff --git a/AquaMai/Fix/RemoveEncryption.cs b/AquaMai/Fix/RemoveEncryption.cs
index 6e79ec4d..52c7cb03 100644
--- a/AquaMai/Fix/RemoveEncryption.cs
+++ b/AquaMai/Fix/RemoveEncryption.cs
@@ -1,6 +1,8 @@
 using System.Collections.Generic;
+using System.Linq;
 using System.Reflection;
 using HarmonyLib;
+using MelonLoader;
 using Net.Packet;
 
 namespace AquaMai.Fix;
@@ -8,7 +10,7 @@ namespace AquaMai.Fix;
 public class RemoveEncryption
 {
     [HarmonyPrefix]
-    [HarmonyPatch(typeof(Packet), "Obfuscator")]
+    [HarmonyPatch(typeof(Packet), "Obfuscator", typeof(string))]
     private static bool PreObfuscator(string srcStr, ref string __result)
     {
         __result = srcStr.Replace("MaimaiExp", "").Replace("MaimaiChn", "");
@@ -20,19 +22,27 @@ public class RemoveEncryption
     {
         public static IEnumerable<MethodBase> TargetMethods()
         {
-            return new[] { AccessTools.Method("Net.CipherAES:Encrypt") };
+# if SDGA145
+            return [AccessTools.Method("Net.CipherAES:Encrypt", [typeof(byte[])])];
+# else
+            return [AccessTools.TypeByName("Net.CipherAES").GetMethods().FirstOrDefault(it => it.Name == "Encrypt")];
+# endif
         }
 
+# if SDGA145
         public static bool Prefix(byte[] data, ref byte[] __result)
         {
-            if (AquaMai.AppConfig.Fix.RemoveEncryption)
-            {
-                __result = data;
-                return false;
-            }
-
-            return true;
+            __result = data;
+            return false;
         }
+# else
+        public static bool Prefix(byte[] data, out byte[] encryptData, ref bool __result)
+        {
+            encryptData = data;
+            __result = true;
+            return false;
+        }
+# endif
     }
 
     [HarmonyPatch]
@@ -40,18 +50,26 @@ public class RemoveEncryption
     {
         public static IEnumerable<MethodBase> TargetMethods()
         {
-            return new[] { AccessTools.Method("Net.CipherAES:Decrypt") };
+# if SDGA145
+            return [AccessTools.Method("Net.CipherAES:Decrypt", [typeof(byte[])])];
+# else
+            return [AccessTools.TypeByName("Net.CipherAES").GetMethods().FirstOrDefault(it => it.Name == "Decrypt")];
+# endif
         }
 
+# if SDGA145
         public static bool Prefix(byte[] encryptData, ref byte[] __result)
         {
-            if (AquaMai.AppConfig.Fix.RemoveEncryption)
-            {
-                __result = encryptData;
-                return false;
-            }
-
-            return true;
+            __result = encryptData;
+            return false;
         }
+# else
+        public static bool Prefix(byte[] encryptData, out byte[] plainData, ref bool __result)
+        {
+            plainData = encryptData;
+            __result = true;
+            return false;
+        }
+# endif
     }
 }