diff --git a/CMakeLists.txt b/CMakeLists.txt
index 631ab4b3..5b800b0d 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@
 # CMakeLists in this exact order for cmake to work correctly
 cmake_minimum_required(VERSION 3.16)
 
-set(PROJECT_VER "0.9.3")
+set(PROJECT_VER "0.9.4")
 
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(xiaozhi)
diff --git a/main/application.cc b/main/application.cc
index e1a57777..ef339242 100644
--- a/main/application.cc
+++ b/main/application.cc
@@ -411,9 +411,11 @@ void Application::OutputAudio() {
     std::unique_lock<std::mutex> lock(mutex_);
     if (audio_decode_queue_.empty()) {
         // Disable the output if there is no audio data for a long time
-        auto duration = std::chrono::duration_cast<std::chrono::seconds>(now - last_output_time_).count();
-        if (duration > max_silence_seconds) {
-            codec->EnableOutput(false);
+        if (chat_state_ == kChatStateIdle) {
+            auto duration = std::chrono::duration_cast<std::chrono::seconds>(now - last_output_time_).count();
+            if (duration > max_silence_seconds) {
+                codec->EnableOutput(false);
+            }
         }
         return;
     }