diff --git a/frameworks/liteipc/src/liteipc_adapter.c b/frameworks/liteipc/src/liteipc_adapter.c
index 67d9422337d4750b241936423dee7d1d5fecce3a..795f54108246fc9d57de62df2cc5f4f41dddb20f 100755
--- a/frameworks/liteipc/src/liteipc_adapter.c
+++ b/frameworks/liteipc/src/liteipc_adapter.c
@@ -398,7 +398,7 @@ static int32_t CheckIpcIo(IpcIo* data)
         return LITEIPC_EINVAL;
     }
     totalSize = data->bufferCur - data->bufferBase + ((char*)data->offsetsCur - (char*)data->offsetsBase);
-    if (totalSize > IPC_IO_DATA_MAX) {
+    if (totalSize > IPC_IO_BIG_MAX) {
         LOG(ERROR, "IpcIo data too big, please use IpcIoPushDataBuff to push big data.");
         return LITEIPC_EINVAL;
     }
diff --git a/frameworks/liteipc_linux/src/liteipc_adapter.c b/frameworks/liteipc_linux/src/liteipc_adapter.c
index 6453a284cfea6b9c1146cba73ee1dcabd757b205..0013ee7a0c98017e2197b68d0bfa2dbc9c81b0ce 100644
--- a/frameworks/liteipc_linux/src/liteipc_adapter.c
+++ b/frameworks/liteipc_linux/src/liteipc_adapter.c
@@ -47,7 +47,7 @@ static uint32_t g_handle = 0;
 static bool g_isStartLoop = false;
 __thread const IpcContext *g_tlsContext = NULL;
 __thread IpcIo **g_tlsReply = NULL;
-__thread uint8_t g_tlsReplyData[IPC_IO_DATA_MAX] = {0};
+__thread uint8_t g_tlsReplyData[IPC_IO_BIG_MAX] = {0};
 bool g_init = 0;
 struct TransactData {
     uint32_t cmd;
@@ -214,7 +214,7 @@ static int32_t CheckIpcIo(IpcIo* data)
         return LITEIPC_EINVAL;
     }
     totalSize = data->bufferCur- data->bufferBase + ((char*)data->offsetsCur - (char*)data->offsetsBase);
-    if (totalSize > IPC_IO_DATA_MAX) {
+    if (totalSize > IPC_IO_BIG_MAX) {
         LOG(ERROR, "IpcIo data too big, please use IpcIoPushDataBuff to push big data.");
         return LITEIPC_EINVAL;
     }
@@ -836,7 +836,7 @@ int32_t SendReply(const IpcContext* context, void* ipcMsg, IpcIo* reply)
         size_t objectsSize = tmp.offsetsLeft * sizeof(size_t);
         (*g_tlsReply)->bufferCur = (*g_tlsReply)->bufferBase = (char*)g_tlsReplyData + objectsSize;
         (*g_tlsReply)->offsetsCur = (*g_tlsReply)->offsetsBase = (size_t*)g_tlsReplyData;
-        memcpy_s((*g_tlsReply)->bufferBase, IPC_IO_DATA_MAX, tmp.bufferBase, tmp.bufferLeft);
+        memcpy_s((*g_tlsReply)->bufferBase, IPC_IO_BIG_MAX, tmp.bufferBase, tmp.bufferLeft);
         memcpy_s((*g_tlsReply)->offsetsBase, objectsSize, tmp.offsetsBase, objectsSize);
         (*g_tlsReply)->bufferLeft = tmp.bufferLeft;
         (*g_tlsReply)->offsetsLeft = tmp.offsetsLeft;
diff --git a/interfaces/kits/liteipc_adapter.h b/interfaces/kits/liteipc_adapter.h
index bf0911525fb37361cff4e1706cee82de918b999d..304854653faf1b00efa8a3f6cb3e02a82b09799e 100755
--- a/interfaces/kits/liteipc_adapter.h
+++ b/interfaces/kits/liteipc_adapter.h
@@ -35,7 +35,8 @@ extern "C" {
 #define IPC_WAIT_FOREVER 0XFFFFFFFF
 #define IPC_TIMEOUT_MIN 10        /* unit:ms */
 #define IPC_INVAILD_TIMER_ID (timer_t)-1
-#define IPC_IO_DATA_MAX 64512UL
+#define IPC_IO_DATA_MAX 8192UL
+#define IPC_IO_BIG_MAX (42 * 1024UL)
 
 typedef enum {
     LITEIPC_FLAG_DEFAULT = 0, // send and reply