fix: adjust character range check in xm_string_case function

1 files changed, 1 insertions, 1 deletions

diff --git a/core/src/xmake/string/case.c b/core/src/xmake/string/case.c
index 81cdeae1c..d87b3e9a7 100644
--- a/core/src/xmake/string/case.c
+++ b/core/src/xmake/string/case.c
@@ -114,7 +114,7 @@ static tb_int_t xm_string_case(lua_State* lua, tb_bool_t lower) {
         tb_uint32_t* p = (tb_uint32_t*)dst_data;
         tb_size_t    n = (tb_size_t)dst_size / 4;
         while (n--) {
-            if (*p < 0x10000) {
+            if (*p < 0x2000) {
                 if (lower) {
                      if (iswupper((wint_t)*p))
                          *p = towlower((wint_t)*p);