diff --git a/re2/re2.cc b/re2/re2.cc
index f17d772fdf72c8d904b8dfc1150dd4ce53607f82..1a60d0930d65a2f451779858b2f44cadccead1dc 100644
--- a/re2/re2.cc
+++ b/re2/re2.cc
@@ -199,7 +199,11 @@ namespace re2
 
     uint32_t flags = RURE_DEFAULT_FLAGS;
     if(options_.dot_nl()) flags = RURE_FLAG_DOTNL;
-    if(options_.never_nl()) flags = RURE_DEFAULT_FLAGS;
+    // if(options_.never_nl()) flags = RURE_DEFAULT_FLAGS;
+    if(options_.encoding() == RE2::Options::EncodingLatin1){
+      flags |= RURE_FLAG_UNICODE; 
+    }
+
     // for All
     rure *re = rure_compile((const uint8_t *)rure_str.c_str(), strlen(rure_str.c_str()), flags, NULL, err);
     //这里应该被注释，如果rure_str为空，re会为空，会去执行if(re == NULL)判断，从而对空的正则表达式进行处理
diff --git a/re2/testing/re2_test.cc b/re2/testing/re2_test.cc
index b4b57cc3e797239cd6d4b13eae87e16560b26666..b8e9a7eb34209238366cb9b83696bb7a3d37c24d 100644
--- a/re2/testing/re2_test.cc
+++ b/re2/testing/re2_test.cc
@@ -1556,7 +1556,6 @@ TEST(RE2, Bug10131674) {
   EXPECT_FALSE(RE2::FullMatch("hello world", re));
 }
 
-/*待处理的
 TEST(RE2, Bug18391750) {
   // Stray write past end of match_ in nfa.cc, caught by fuzzing + address sanitizer.
   const char t[] = {
@@ -1576,7 +1575,6 @@ TEST(RE2, Bug18391750) {
   ASSERT_TRUE(re.ok());
   RE2::PartialMatch(t, re);
 }
-*/
 
 TEST(RE2, Bug18458852) {
   // Bug in parser accepting invalid (too large) rune,