fix compile error

1 files changed, 1 insertions, 1 deletions

diff --git a/core/src/xmake/lz4/block_decompress.c b/core/src/xmake/lz4/block_decompress.c
index 7de823a70..d9972f595 100644
--- a/core/src/xmake/lz4/block_decompress.c
+++ b/core/src/xmake/lz4/block_decompress.c
@@ -68,7 +68,7 @@ tb_int_t xm_lz4_block_decompress(lua_State* lua)
         output_data = real <= sizeof(buffer)? buffer : (tb_byte_t*)tb_malloc(real);
         tb_assert_and_check_break(output_data);
 
-        tb_int_t r = LZ4_decompress_safe((tb_char_t const*)data, (tb_char_t*)output_data, size, real);
+        tb_int_t r = LZ4_decompress_safe((tb_char_t const*)data, (tb_char_t*)output_data, (tb_int_t)size, real);
         tb_assert_and_check_break(r > 0);
 
         lua_pushlstring(lua, (tb_char_t const*)output_data, r);