diff --git a/frameworks/liteipc/src/serializer.c b/frameworks/liteipc/src/serializer.c
index 6bf26df2c2b104aee58cbedb1ee94a174449ead7..53465ba1057f17c53c349223df55eeac485233ab 100755
--- a/frameworks/liteipc/src/serializer.c
+++ b/frameworks/liteipc/src/serializer.c
@@ -24,7 +24,7 @@
 #include "sys_binder.h"
 #endif
 
-#define MAX_IO_SIZE 8192UL
+#define MAX_IO_SIZE 64512UL
 #define MAX_OBJ_NUM 32UL
 #define MAX_DATA_BUFF_SIZE 65536UL
 
diff --git a/interfaces/kits/liteipc_adapter.h b/interfaces/kits/liteipc_adapter.h
index 937d88c722c1993f8d62f61e5a6d12fff89151db..bf0911525fb37361cff4e1706cee82de918b999d 100755
--- a/interfaces/kits/liteipc_adapter.h
+++ b/interfaces/kits/liteipc_adapter.h
@@ -35,7 +35,7 @@ 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 8192UL
+#define IPC_IO_DATA_MAX 64512UL
 
 typedef enum {
     LITEIPC_FLAG_DEFAULT = 0, // send and reply