diff --git a/api/i_cmdparser.hpp b/api/i_cmdparser.hpp
index d09ac90..f7a22aa 100644
--- a/api/i_cmdparser.hpp
+++ b/api/i_cmdparser.hpp
@@ -18,6 +18,7 @@ class ICmdParserACK {
     kAckType_none,
     kAckType_int32,
     kAckType_buf,
+    kAckType_str,
   } ICmdParserACKType_t;
 
  public:
diff --git a/zmodule_device_script_cmder_paser.cpp b/zmodule_device_script_cmder_paser.cpp
index 6287f39..e314acf 100644
--- a/zmodule_device_script_cmder_paser.cpp
+++ b/zmodule_device_script_cmder_paser.cpp
@@ -119,7 +119,7 @@ void ZModuleDeviceScriptCmderPaser::regfn() {
   PROCESS_PACKET_10(module_factory_reset, "(mid)");
   PROCESS_PACKET_10(module_flush_cfg, "(mid)");
   PROCESS_PACKET_10(module_active_cfg, "(mid)");
-  m_cmdParser->regCMD("module_read_raw", "(mid, readsize)", 2, [this](int32_t paramN, const char* paraV[], ICmdParserACK* ack) {
+  m_cmdParser->regCMD("module_read_raw", "(mid, startindex)", 2, [this](int32_t paramN, const char* paraV[], ICmdParserACK* ack) {
     if (atoi(paraV[2]) > (int32_t)sizeof(ack->rawdata)) {
       ack->ecode = err::kbuffer_not_enough;
       return;