diff --git a/projects/llm_framework/main_asr/src/main.cpp b/projects/llm_framework/main_asr/src/main.cpp
index ae51982..d2dff9b 100644
--- a/projects/llm_framework/main_asr/src/main.cpp
+++ b/projects/llm_framework/main_asr/src/main.cpp
@@ -58,7 +58,7 @@ public:
     std::atomic_bool audio_flage_;
     std::atomic_bool awake_flage_;
     int awake_delay_       = 50;
-    int delay_audio_frame_ = 11;
+    int delay_audio_frame_ = 10;
     buffer_t *pcmdata;
 
     std::function<void(void)> pause;
@@ -187,6 +187,7 @@ public:
             count++;
             return;
         }
+        buffer_write_char(pcmdata, raw.data(), raw.length());
         buffer_position_set(pcmdata, 0);
 
         std::vector<float> floatSamples;
@@ -523,6 +524,7 @@ public:
                                             });
                     llm_task_obj->audio_flage_ = true;
                 } else if (input.find("asr") != std::string::npos) {
+                    llm_task_obj->delay_audio_frame_ = 0;
                     llm_channel->subscriber_work_id(
                         "", std::bind(&llm_asr::task_user_data, this, std::weak_ptr<llm_task>(llm_task_obj),
                                       std::weak_ptr<llm_channel_obj>(llm_channel), std::placeholders::_1,
diff --git a/projects/llm_framework/main_kws/src/main.cpp b/projects/llm_framework/main_kws/src/main.cpp
index 8c72459..9a4f8fc 100644
--- a/projects/llm_framework/main_kws/src/main.cpp
+++ b/projects/llm_framework/main_kws/src/main.cpp
@@ -59,7 +59,7 @@ public:
     bool enwake_audio_;
     std::atomic_bool audio_flage_;
     task_callback_t out_callback_;
-    int delay_audio_frame_ = 11;
+    int delay_audio_frame_ = 10;
     buffer_t *pcmdata;
     std::string wake_wav_file_;
 
@@ -233,6 +233,7 @@ public:
             count++;
             return;
         }
+        buffer_write_char(pcmdata, raw.data(), raw.length());
         buffer_position_set(pcmdata, 0);
 
         std::vector<float> floatSamples;
@@ -529,6 +530,7 @@ public:
                                             });
                     llm_task_obj->audio_flage_ = true;
                 } else if (input.find("kws") != std::string::npos) {
+                    llm_task_obj->delay_audio_frame_ = 0;
                     llm_channel->subscriber_work_id(
                         "", std::bind(&llm_kws::task_user_data, this, std::weak_ptr<llm_task>(llm_task_obj),
                                       std::weak_ptr<llm_channel_obj>(llm_channel), std::placeholders::_1,
diff --git a/projects/llm_framework/main_vad/src/main.cpp b/projects/llm_framework/main_vad/src/main.cpp
index 1c49eb3..d1414a7 100644
--- a/projects/llm_framework/main_vad/src/main.cpp
+++ b/projects/llm_framework/main_vad/src/main.cpp
@@ -60,7 +60,7 @@ public:
     std::string superior_id_;
     task_callback_t out_callback_;
     int awake_delay_       = 50;
-    int delay_audio_frame_ = 4;
+    int delay_audio_frame_ = 3;
     buffer_t *pcmdata;
     std::string wake_wav_file_;
 
@@ -158,6 +158,7 @@ public:
             count++;
             return;
         }
+        buffer_write_char(pcmdata, raw.c_str(), raw.length());
         buffer_position_set(pcmdata, 0);
 
         std::vector<float> floatSamples;
@@ -430,6 +431,7 @@ public:
                                             });
                     llm_task_obj->audio_flage_ = true;
                 } else if (input.find("vad") != std::string::npos) {
+                    llm_task_obj->delay_audio_frame_ = 0;
                     llm_channel->subscriber_work_id(
                         "", std::bind(&llm_vad::task_user_data, this, std::weak_ptr<llm_task>(llm_task_obj),
                                       std::weak_ptr<llm_channel_obj>(llm_channel), std::placeholders::_1,
diff --git a/projects/llm_framework/main_whisper/src/main.cpp b/projects/llm_framework/main_whisper/src/main.cpp
index 51c6c6e..9c957d8 100644
--- a/projects/llm_framework/main_whisper/src/main.cpp
+++ b/projects/llm_framework/main_whisper/src/main.cpp
@@ -99,7 +99,7 @@ public:
     static int ax_init_flage_;
     task_callback_t out_callback_;
     int awake_delay_       = 50;
-    int delay_audio_frame_ = 3001;
+    int delay_audio_frame_ = 3000;
     buffer_t *pcmdata;
 
     std::function<void(void)> pause;
@@ -343,6 +343,7 @@ public:
             count++;
             if (endpoint_flage_) return;
         }
+        buffer_write_char(pcmdata, raw.data(), raw.length());
         endpoint_flage_ = true;
 
         buffer_position_set(pcmdata, 0);
@@ -851,7 +852,7 @@ public:
                                             });
                     llm_task_obj->audio_flage_ = true;
                 } else if (input.find("whisper") != std::string::npos) {
-                    if (input.find("stream.base64") != std::string::npos) llm_task_obj->delay_audio_frame_ = 0;
+                    llm_task_obj->delay_audio_frame_ = 0;
                     llm_channel->subscriber_work_id(
                         "", std::bind(&llm_whisper::task_user_data, this, std::weak_ptr<llm_task>(llm_task_obj),
                                       std::weak_ptr<llm_channel_obj>(llm_channel), std::placeholders::_1,