diff --git a/rtc_plugins.cpp b/rtc_plugins.cpp
index 25be18d..7079dc8 100644
--- a/rtc_plugins.cpp
+++ b/rtc_plugins.cpp
@@ -55,6 +55,9 @@ namespace np = boost::python::numpy;
 np::ndarray getNumpydata() {
     return RTCContext::instance().getNumpydata();
 }
+int16_t getDataCount() {
+    return RTCContext::instance().getDataCount();
+}
 py::object create_int16_array() {
     // 1. 定义数组维度（1维，长度为 4）
     npy_intp dims[1] = {4};
@@ -209,6 +212,7 @@ BOOST_PYTHON_MODULE(rtc_plugins) {
         py::def("getSize", &getSize);
         py::def("getData", &getData);
         py::def("getNumpyData", &getNumpydata);
+        py::def("getDataCount", &getDataCount);
     } catch (...) {
         PyErr_SetString(PyExc_RuntimeError, "Module initialization failed");
     }
diff --git a/test_time_r.py b/test_time_r.py
index f432187..f519ea3 100644
--- a/test_time_r.py
+++ b/test_time_r.py
@@ -58,6 +58,8 @@ while True:
         print("resend succ")
     size = rtc_plugins.getSize()
     print(f"data size:{size}")
-    frame = rtc_plugins.getNumpyData()
-    print(f"frame:{frame}")
+    #frame = rtc_plugins.getNumpyData()
+    #print(f"frame:{frame}")
+    dataCount = rtc_plugins.getDataCount()
+    print(f"data count:{dataCount}")
     time.sleep(3)
diff --git a/util/RTCContext.cpp b/util/RTCContext.cpp
index 5df0424..0f08c4e 100644
--- a/util/RTCContext.cpp
+++ b/util/RTCContext.cpp
@@ -724,6 +724,11 @@ np::ndarray RTCContext::getNumpydata() {
 
 }
 
+int16_t RTCContext::getDataCount() {
+    std::lock_guard<std::mutex> lock(dataMutex_);
+    RetAudioFrame frame = getData();
+    return frame.dataCount;
+}
 int16_t RTCContext::getSize() {
     std::lock_guard<std::mutex> lock(dataMutex_);
     return dataSize_;
diff --git a/util/RTCContext.h b/util/RTCContext.h
index 1f57cbd..c9679cb 100644
--- a/util/RTCContext.h
+++ b/util/RTCContext.h
@@ -100,6 +100,7 @@ public:
     void setData(const mrtc::MRTCAudioFrame& frame);
     RetAudioFrame getData();
     np::ndarray getNumpydata();
+    int16_t getDataCount();
 
     void* getpData() const;
     void setpData(void* pData);