diff --git a/source/client/src/clientSmlLine.c b/source/client/src/clientSmlLine.c
index 9c0b2d7688..d6f405e69d 100644
--- a/source/client/src/clientSmlLine.c
+++ b/source/client/src/clientSmlLine.c
@@ -109,7 +109,7 @@ int32_t smlParseValue(SSmlKv *pVal, SSmlMsgBuf *msg) {
         return code;
       }
       char* tmp = taosMemoryCalloc(pVal->length, 1);
-      memcmp(tmp, pVal->value + 2, pVal->length - 3);
+      memcpy(tmp, pVal->value + 2, pVal->length - 3);
       code = doGeomFromText(tmp, (unsigned char **)&pVal->value, &pVal->length);
       taosMemoryFree(tmp);
       if (code != TSDB_CODE_SUCCESS) {
diff --git a/utils/test/c/sml_test.c b/utils/test/c/sml_test.c
index e4ed6037a3..237bfc5092 100644
--- a/utils/test/c/sml_test.c
+++ b/utils/test/c/sml_test.c
@@ -1552,12 +1552,45 @@ int sml_ts3724_Test() {
   return code;
 }
 
+int sml_td24559_Test() {
+  TAOS *taos = taos_connect("localhost", "root", "taosdata", NULL, 0);
+
+  TAOS_RES *pRes = taos_query(taos, "drop database if exists td24559");
+  taos_free_result(pRes);
+
+  pRes = taos_query(taos, "create database if not exists td24559");
+  taos_free_result(pRes);
+
+  const char *sql[] = {
+      "stb,t1=1 f1=283i32,f2=g\"Point(4.343 89.342)\" 1632299372000",
+      "stb,t1=1 f2=G\"Point(4.343 89.342)\",f1=106i32 1632299373000",
+      "stb,t2=1 f2=G\"Point(4.343 89.342)\",f1=106i32 1632299374000",
+      "stb,t1=1 f1=106i32,f2=G\"GEOMETRYCOLLECTION (MULTIPOINT((0 0), (1 1)), POINT(3 4), LINESTRING(2 3, 3 4))\" 1632299378000",
+  };
+
+  pRes = taos_query(taos, "use td24559");
+  taos_free_result(pRes);
+
+  pRes = taos_schemaless_insert(taos, (char **)sql, sizeof(sql) / sizeof(sql[0]), TSDB_SML_LINE_PROTOCOL,
+                                TSDB_SML_TIMESTAMP_MILLI_SECONDS);
+
+  int code = taos_errno(pRes);
+  printf("%s result0:%s\n", __FUNCTION__, taos_errstr(pRes));
+  taos_free_result(pRes);
+
+  taos_close(taos);
+
+  return code;
+}
+
 int main(int argc, char *argv[]) {
   if (argc == 2) {
     taos_options(TSDB_OPTION_CONFIGDIR, argv[1]);
   }
 
   int ret = 0;
+  ret = sml_td24559_Test();
+  ASSERT(!ret);
   ret = sml_td24070_Test();
   ASSERT(!ret);
   ret = sml_td23881_Test();