diff --git a/include/HRingBuffer.h b/include/HRingBuffer.h
index 3f8f934..701a825 100644
--- a/include/HRingBuffer.h
+++ b/include/HRingBuffer.h
@@ -26,6 +26,11 @@ enum eRingBufferFlag {
 typedef uint8_t HRingBufferType;        // 环转缓冲区类型
 typedef uint32_t HRingBufferDataType;   // 环转缓冲区统一数据类型
 
+// 使用2字节长度
+#ifndef _HRING_BUFFER_LEN_USE16
+#define _HRING_BUFFER_LEN_USE16
+#endif
+
 
 #ifdef _HRING_BUFFER_LEN_USE32
 #define HRING_BUFFER_ERROR (0xffffffff)
diff --git a/src/HRingBuffer.c b/src/HRingBuffer.c
index 758c73d..6222059 100644
--- a/src/HRingBuffer.c
+++ b/src/HRingBuffer.c
@@ -44,8 +44,8 @@ static uint8_t GetRingBufferType(const HRingBufferType *ringBuffer) {
     return base->flag & kHRingBufferFlagAllMask;
 }
 
-static HRingBufferLenType GetRingBufferTypeSize(const HRingBufferType *vector) {
-    switch(GetRingBufferType(vector)) {
+static HRingBufferLenType GetRingBufferTypeSize(const HRingBufferType *ringBuffer) {
+    switch(GetRingBufferType(ringBuffer)) {
         case kHRingBufferFlag8: return sizeof(uint8_t); break;
         case kHRingBufferFlag16: return sizeof(uint16_t); break;
         case kHRingBufferFlag32: return sizeof(uint32_t); break;
@@ -54,33 +54,33 @@ static HRingBufferLenType GetRingBufferTypeSize(const HRingBufferType *vector) {
     return 0;
 }
 
-static HRingBufferDataType GetRingBufferData(const HRingBufferType *vector, HRingBufferLenType pos) {
-    switch(GetRingBufferType(vector)) {
-        case kHRingBufferFlag8: return ((const _HRingBuffer8 *)vector)->data[pos]; break;
-        case kHRingBufferFlag16: return ((const _HRingBuffer16 *)vector)->data[pos]; break;
-        case kHRingBufferFlag32: return ((const _HRingBuffer32 *)vector)->data[pos]; break;
+static HRingBufferDataType GetRingBufferData(const HRingBufferType *ringBuffer, HRingBufferLenType pos) {
+    switch(GetRingBufferType(ringBuffer)) {
+        case kHRingBufferFlag8: return ((const _HRingBuffer8 *)ringBuffer)->data[pos]; break;
+        case kHRingBufferFlag16: return ((const _HRingBuffer16 *)ringBuffer)->data[pos]; break;
+        case kHRingBufferFlag32: return ((const _HRingBuffer32 *)ringBuffer)->data[pos]; break;
     }
 
     return HRING_BUFFER_ERROR;
 }
 
-static void SetRingBufferData(HRingBufferType *vector, HRingBufferLenType pos, HRingBufferDataType data) {
-    switch(GetRingBufferType(vector)) {
-        case kHRingBufferFlag8: ((_HRingBuffer8 *)vector)->data[pos] = (uint8_t)data; break;
-        case kHRingBufferFlag16: ((_HRingBuffer16 *)vector)->data[pos] = (uint16_t)data; break;
-        case kHRingBufferFlag32: ((_HRingBuffer32 *)vector)->data[pos] = (uint32_t)data; break;
+static void SetRingBufferData(HRingBufferType *ringBuffer, HRingBufferLenType pos, HRingBufferDataType data) {
+    switch(GetRingBufferType(ringBuffer)) {
+        case kHRingBufferFlag8: ((_HRingBuffer8 *)ringBuffer)->data[pos] = (uint8_t)data; break;
+        case kHRingBufferFlag16: ((_HRingBuffer16 *)ringBuffer)->data[pos] = (uint16_t)data; break;
+        case kHRingBufferFlag32: ((_HRingBuffer32 *)ringBuffer)->data[pos] = (uint32_t)data; break;
     }
 }
 
-static uint8_t IsRingBufferFull(const HRingBufferType *vector) {
-    InitRingBuffer((HRingBufferType *)vector);
-    const _HRingBufferBase *base = (const _HRingBufferBase *)vector;
+static uint8_t IsRingBufferFull(const HRingBufferType *ringBuffer) {
+    InitRingBuffer((HRingBufferType *)ringBuffer);
+    const _HRingBufferBase *base = (const _HRingBufferBase *)ringBuffer;
     return (base->flag & kHRingBufferFull) == kHRingBufferFull;
 }
 
-static void SetRingBufferFull(HRingBufferType *vector, uint8_t full) {
-    InitRingBuffer((HRingBufferType *)vector);
-    _HRingBufferBase *base = (_HRingBufferBase *)vector;
+static void SetRingBufferFull(HRingBufferType *ringBuffer, uint8_t full) {
+    InitRingBuffer((HRingBufferType *)ringBuffer);
+    _HRingBufferBase *base = (_HRingBufferBase *)ringBuffer;
     if (full) {
         base->flag |= kHRingBufferFull;
     } else {