diff --git a/xposed/src/main/java/kritor/server/KritorServer.kt b/xposed/src/main/java/kritor/server/KritorServer.kt
index 7aab8e0..a568247 100644
--- a/xposed/src/main/java/kritor/server/KritorServer.kt
+++ b/xposed/src/main/java/kritor/server/KritorServer.kt
@@ -1,6 +1,8 @@
 @file:OptIn(ExperimentalCoroutinesApi::class)
 package kritor.server
 
+import io.grpc.Grpc
+import io.grpc.InsecureServerCredentials
 import io.grpc.ServerBuilder
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
@@ -13,8 +15,7 @@ import kotlin.coroutines.CoroutineContext
 class KritorServer(
     private val port: Int
 ): CoroutineScope {
-    private val server = ServerBuilder
-        .forPort(port)
+    private val server = Grpc.newServerBuilderForPort(port, InsecureServerCredentials.create())
         .addService(Authentication)
         .build()!!
 
diff --git a/xposed/src/main/java/moe/fuqiuluo/shamrock/config/ShamrockConfig.kt b/xposed/src/main/java/moe/fuqiuluo/shamrock/config/ShamrockConfig.kt
index 730a00d..ee27847 100644
--- a/xposed/src/main/java/moe/fuqiuluo/shamrock/config/ShamrockConfig.kt
+++ b/xposed/src/main/java/moe/fuqiuluo/shamrock/config/ShamrockConfig.kt
@@ -14,6 +14,7 @@ private val configFile = configDir.resolve("config.prop")
 
 private val configKeys = setOf(
     ActiveRPC,
+    AntiJvmTrace,
     ForceTablet,
     PassiveRPC,
     ResourceGroup,
diff --git a/xposed/src/main/java/moe/fuqiuluo/shamrock/xposed/actions/InitRemoteService.kt b/xposed/src/main/java/moe/fuqiuluo/shamrock/xposed/actions/InitRemoteService.kt
index 6d7773d..0be7f92 100644
--- a/xposed/src/main/java/moe/fuqiuluo/shamrock/xposed/actions/InitRemoteService.kt
+++ b/xposed/src/main/java/moe/fuqiuluo/shamrock/xposed/actions/InitRemoteService.kt
@@ -11,6 +11,8 @@ import moe.fuqiuluo.shamrock.config.ActiveRPC
 import moe.fuqiuluo.shamrock.config.RPCPort
 import moe.fuqiuluo.shamrock.config.ShamrockConfig
 import moe.fuqiuluo.shamrock.config.get
+import moe.fuqiuluo.shamrock.helper.Level
+import moe.fuqiuluo.shamrock.helper.LogCenter
 import moe.fuqiuluo.symbols.Process
 import moe.fuqiuluo.symbols.XposedHook
 
@@ -20,9 +22,19 @@ private lateinit var server: KritorServer
 internal class InitRemoteService : IAction {
     override fun invoke(ctx: Context) {
         GlobalScope.launch {
-            if (ActiveRPC.get() && !::server.isInitialized) {
-                server = KritorServer(RPCPort.get())
-                server.start()
+            runCatching {
+                if (ActiveRPC.get()) {
+                    if (!::server.isInitialized) {
+                        server = KritorServer(RPCPort.get())
+                        server.start()
+                    }
+                } else {
+                    LogCenter.log("ActiveRPC is disabled, KritorServer will not be started.")
+                }
+
+
+            }.onFailure {
+                LogCenter.log("Start RPC failed: ${it.message}", Level.ERROR)
             }
         }
     }
diff --git a/xposed/src/main/java/qq/service/internals/MSFHandler.kt b/xposed/src/main/java/qq/service/internals/MSFHandler.kt
index a00271b..7883266 100644
--- a/xposed/src/main/java/qq/service/internals/MSFHandler.kt
+++ b/xposed/src/main/java/qq/service/internals/MSFHandler.kt
@@ -48,7 +48,7 @@ internal object MSFHandler {
 
     fun onResp(toServiceMsg: ToServiceMsg, fromServiceMsg: FromServiceMsg) {
         runCatching {
-            val cmd = toServiceMsg.getAttribute("__respkey") as? Int?
+            val cmd = toServiceMsg.getAttribute("shamrock_uid") as? Int?
                 ?: return@runCatching
             val resp = mRespHandler[cmd]
             resp?.invoke(toServiceMsg, fromServiceMsg)