diff --git a/src/HBit.c b/src/HBit.c
index 5bd44fa..20bb9ae 100644
--- a/src/HBit.c
+++ b/src/HBit.c
@@ -2,6 +2,10 @@
 
 #include <HBit.h>
 
+#ifndef LogD
+#define LogD(...)
+#endif
+
 static void InitHBit(HBitType *data) {
     if ((data[0] & kHBitInitFlag) == 0) {
         return;
@@ -31,6 +35,7 @@ static HBitType GetBit(const HBitType *data, HBitIndexType index) {
 
 void HBitSet(HBitType *data, HBitIndexType index, HBitType value) {
     if (index >= GetBitLen(data)) {
+        LogD("error index[%d], len[%d]", index, GetBitLen(data));
         return ;
     }
 
@@ -40,6 +45,7 @@ void HBitSet(HBitType *data, HBitIndexType index, HBitType value) {
 
 HBitType HBitGet(const HBitType *data, HBitIndexType index) {
     if (index >= GetBitLen(data)) {
+        LogD("error index[%d], len[%d]", index, GetBitLen(data));
         return 0;
     }
 
diff --git a/src/HByteStack.c b/src/HByteStack.c
index b4a424c..ab8e725 100644
--- a/src/HByteStack.c
+++ b/src/HByteStack.c
@@ -3,6 +3,11 @@
 #include <HByteStack.h>
 
 
+#ifndef LogD
+#define LogD(...)
+#endif
+
+
 static void InitStack(HByteType *stackData) {
     if ((stackData[0] & kHByteStackNeedInit) == 0) {
         return;
@@ -48,6 +53,7 @@ static HByteLenType GetStackLen(const HByteType *stackData) {
     InitStack((HByteType *)stackData);
 
     if ((base->flag & kHByteStackFlagAllMask) == 0) {
+        LogD("error flag[%d]", base->flag);
         return 0;
     }
 
@@ -59,6 +65,7 @@ static HByteLenType GetStackUseLen(const HByteType *stackData) {
     InitStack((HByteType *)stackData);
 
     if ((base->flag & kHByteStackFlagAllMask) == 0) {
+        LogD("error flag[%d]", base->flag);
         return 0;
     }
 
@@ -70,6 +77,7 @@ static void SetStackUseLen(HByteType *stackData, HByteLenType len) {
     InitStack((HByteType *)stackData);
 
     if ((base->flag & kHByteStackFlagAllMask) == 0) {
+        LogD("error flag[%d]", base->flag);
         return ;
     }
 
@@ -137,6 +145,7 @@ HByteLenType HByteStackGetUseLen(const HByteType *stackData) {
 
 void HByteStackSetUseLen(HByteType *stackData, HByteLenType pos) {
     if (pos >= HByteStackGetUseLen(stackData)) {
+        LogD("error pos[%d], useLen[%d]", pos, HByteStackGetUseLen(stackData));
         return;
     }
 
diff --git a/src/HTimer.c b/src/HTimer.c
index 7a72853..a1d9677 100644
--- a/src/HTimer.c
+++ b/src/HTimer.c
@@ -2,6 +2,9 @@
 
 #include <HTimer.h>
 
+#ifndef LogD
+#define LogD(...)
+#endif
 
 static uint32_t (*GetCurrentMs)(void);
 
@@ -22,6 +25,7 @@ static struct Timer timers[HTIMER_MAX];
 
 static void CallTimer(int16_t index) {
     if (index < 0 || index >= HTIMER_MAX) {
+        LogD("error index[%d]", index);
         return ;
     }
 
@@ -37,10 +41,12 @@ static void CallTimer(int16_t index) {
 
 static int16_t AddTimerData(uint32_t duration, HTimerCallType call, eHTimerFlags flags) {
     if (!GetCurrentMs) {
+        LogD("GetCurrentMs not init");
         return HTIMER_INVALID;
     }
 
     if ((duration & ~CHECK_VALUE) != 0) {
+        LogD("duration overflow, duration[%d]", duration);
         return HTIMER_INVALID;
     }
 
@@ -57,6 +63,7 @@ static int16_t AddTimerData(uint32_t duration, HTimerCallType call, eHTimerFlags
         return i;
     }
 
+    LogD("timers full, duration[%d], flags[%d]", duration, flags);
     return HTIMER_INVALID;
 }
 
@@ -114,6 +121,7 @@ int16_t HTimerAdd(uint32_t ms, HTimerCallType call, eHTimerFlags flags) {
 
 void HTimerRemove(int16_t index) {
     if (index < 0 || index >= HTIMER_MAX) {
+        LogD("error index[%d]", index);
         return ;
     }
 
diff --git a/src/HVector.c b/src/HVector.c
index 1458382..b9bc12a 100644
--- a/src/HVector.c
+++ b/src/HVector.c
@@ -3,8 +3,14 @@
 #include <HVector.h>
 #include <string.h>
 
+#ifndef LogD
+#define LogD(...)
+#endif
+
+
 static void InitVector(HVectorType *vector) {
     if (vector == NULL) {
+        LogD("vector is NULL");
         return ;
     }
 
@@ -96,6 +102,7 @@ static HVectorLenType GetVectorByteUseLen(const HVectorType *vector) {
 
 static void *GetVectorDataBytePtr(HVectorType *vector, HVectorLenType bytePos) {
     if (bytePos >= GetVectorByteLen(vector)) {
+        LogD("bytePos[%d] error, len[%d]", bytePos, GetVectorByteLen(vector));
         return NULL;
     }
 
@@ -120,6 +127,7 @@ static void SetVectorUseLen(HVectorType *vector, HVectorLenType len) {
 uint8_t HVectorAddData(HVectorType *vector, HVectorDataType data) {
     HVectorLenType len = GetVectorUseLen(vector);
     if (len >= GetVectorLen(vector)) {
+        LogD("len[%d] error, len[%d]", len, GetVectorLen(vector));
         return 0;
     }