diff --git a/rtc_plugins.cpp b/rtc_plugins.cpp
index c850c34..d7b8399 100644
--- a/rtc_plugins.cpp
+++ b/rtc_plugins.cpp
@@ -33,36 +33,48 @@ int initSend(const char* destRoomId, const int16_t destChannelIndex) {
 }
 int sendCustomAudioData(const int16_t destChannelIndex, py::object pyData, int32_t sampleRate, uint64_t channelNum,
                         uint64_t dataLen) {
-    std::cout << "step1" << std::endl;
-    // 检查是否为 numpy 数组
-    if (!PyArray_Check(pyData.ptr())) {
-        std::cout << "check fail, ptr:" << pyData.ptr() << std::endl;
-        PyErr_SetString(PyExc_TypeError, "Expected a numpy array");
-        throw py::error_already_set();
-    }
-    std::cout << "step2" << std::endl;
+    try {
+        std::cout << "step 1" << std::endl;
+        // 1. 检查输入有效性
+        if (pyData.ptr() == nullptr) {
+            throw std::runtime_error("Input data is NULL");
+        }
 
-    // 检查数据类型是否为 int16
-    PyArrayObject* npArray = (PyArrayObject*)pyData.ptr();
-    if (PyArray_TYPE(npArray) != NPY_INT16) {
-        PyErr_SetString(PyExc_TypeError, "Array must be of type int16 (np.int16)");
-        throw py::error_already_set();
-    }
-    std::cout << "step3" << std::endl;
-    if (npArray == nullptr) {
-        std::cout << "npArray is null" << std::endl;
-        PyErr_SetString(PyExc_TypeError, "npArray is null");
-        throw py::error_already_set();
-    }
+        std::cout << "step 2" << std::endl;
+        // 2. 检查是否是 numpy 数组
+        if (!PyArray_Check(pyData.ptr())) {
+            throw std::runtime_error("Input is not a numpy array");
+        }
 
-    std::cout << "step4" << std::endl;
-    void* dataPtr = PyArray_DATA(npArray);
-    if (dataPtr == nullptr) {
-        PyErr_SetString(PyExc_ValueError, "Invalid data pointer");
-        throw py::error_already_set();
+        std::cout << "step 3" << std::endl;
+        // 3. 转换为 PyArrayObject
+        PyArrayObject* npArray = reinterpret_cast<PyArrayObject*>(pyData.ptr());
+
+        std::cout << "step 4" << std::endl;
+        // 4. 检查数据类型是否为 int16
+        if (PyArray_TYPE(npArray) != NPY_INT16) {
+            throw std::runtime_error("Array must be of type int16 (np.int16)");
+        }
+
+        std::cout << "step 5" << std::endl;
+        // 5. 检查数据是否连续
+        if (!PyArray_ISCONTIGUOUS(npArray)) {
+            throw std::runtime_error("Array must be contiguous in memory");
+        }
+        std::cout << "step 6" << std::endl;
+
+        // 6. 获取数据指针
+        void* dataPtr = PyArray_DATA(npArray);
+        if (dataPtr == nullptr) {
+            throw std::runtime_error("Invalid data pointer");
+        }
+        std::cout << "step 7" << std::endl;
+        return RTCContext::instance().sendCustomAudioData(destChannelIndex, dataPtr, sampleRate, channelNum, dataLen);
+
+    } catch (const std::exception& e) {
+        std::cout << "error:" << e.what() << std::endl;
+        return -1;
     }
-    std::cout << "step5" << std::endl;
-    return RTCContext::instance().sendCustomAudioData(destChannelIndex, dataPtr, sampleRate, channelNum, dataLen);
 }
 
 BOOST_PYTHON_MODULE(rtc_plugins) {
diff --git a/test_send.py b/test_send.py
index c86e54f..30791d3 100644
--- a/test_send.py
+++ b/test_send.py
@@ -21,7 +21,7 @@ ret = rtc_plugins.initSend(destRoomId, destChannelIndex)
 if ret != 0:
     print(f"initSend fail, ret:{ret}")
     exit(1)
-audioData = np.zeros(16, dtype=np.int16)
+audioData = np.array([0, 1, -1, 0], dtype=np.int16)
 while True:
     ret = rtc_plugins.sendCustomAudioData(destChannelIndex, audioData, 48000, 1, len(audioData))
     if ret != 0: