diff --git a/re2/re2.cc b/re2/re2.cc
index e67b5aa6dcb9ff88be37448d2f90b94232fccdb7..3881e364e162978d9056df74b3ee34c0a2a172e8 100644
--- a/re2/re2.cc
+++ b/re2/re2.cc
@@ -188,7 +188,7 @@ namespace re2
     rure_error *err = rure_error_new();
 
     // 对传入的Latin-1编码的字符串要进行转换
-    if (options.encoding() == 1)
+    if (options.encoding() == re2::RE2::Options::EncodingUTF8)
     { // UTF-8编码
       rure_str = pattern.ToString();
     }
@@ -947,7 +947,7 @@ namespace re2
       return true;
     }
     // for FullMatch(no captures)
-    if(re_anchor == ANCHOR_BOTH && n == 0)
+    if(re_anchor == ANCHOR_BOTH && n == 0 && options_.encoding() == re2::RE2::Options::EncodingUTF8)
     {
       bool matched = rure_is_match((rure *)entire_regexp_, (const uint8_t *)text.data(), (size_t)text.size(), 0);
       return matched;
diff --git a/re2/testing/re2_test.cc b/re2/testing/re2_test.cc
index 0ae12c488dae48629c41051a9224e49341fe4596..6d3ba11f945e7eb24c1300532372ad171344d4e3 100644
--- a/re2/testing/re2_test.cc
+++ b/re2/testing/re2_test.cc
@@ -434,7 +434,7 @@ TEST(QuoteMeta, SimpleNegative) {
 }
 
 TEST(QuoteMeta, Latin1) {
-  // TestQuoteMeta("3\xb2 = 9", RE2::Latin1);
+  TestQuoteMeta("3\xb2 = 9", RE2::Latin1);
 }
 
 TEST(QuoteMeta, UTF8) {
@@ -1107,7 +1107,7 @@ TEST(RE2, UTF8) {
 
   // Both should match in either mode, bytes or UTF-8
   RE2 re_test1(".........", RE2::Latin1);
-  // ASSERT_TRUE(RE2::FullMatch(utf8_string, re_test1));
+  ASSERT_TRUE(RE2::FullMatch(utf8_string, re_test1));
   RE2 re_test2("...");
   ASSERT_TRUE(RE2::FullMatch(utf8_string, re_test2));
 
@@ -1125,7 +1125,7 @@ TEST(RE2, UTF8) {
 
   // Check that string matches itself in either mode
   RE2 re_test5(utf8_string, RE2::Latin1);
-  // ASSERT_TRUE(RE2::FullMatch(utf8_string, re_test5));
+  ASSERT_TRUE(RE2::FullMatch(utf8_string, re_test5));
   RE2 re_test6(utf8_string);
   ASSERT_TRUE(RE2::FullMatch(utf8_string, re_test6));