diff --git a/static_core/plugins/ets/sdk/native/api/ani_textencoder_helper.cpp b/static_core/plugins/ets/sdk/native/api/ani_textencoder_helper.cpp
index ce6631ef61c23e2cb35a71d050aac9a55854757d..87cd5a6f8959477e0f226abed1785d9aa4e31b62 100644
--- a/static_core/plugins/ets/sdk/native/api/ani_textencoder_helper.cpp
+++ b/static_core/plugins/ets/sdk/native/api/ani_textencoder_helper.cpp
@@ -77,8 +77,6 @@ bool Utf8ToUtf16LEByteCheck(const unsigned char *data, std::u16string &u16Str, s
     for (size_t i = 0; i < inputSizeBytes;) {
         // NOLINTBEGIN(cppcoreguidelines-pro-bounds-pointer-arithmetic)
         uint8_t c1 = data[i];
-        uint8_t c2 = data[i + 1];
-        uint8_t c3 = data[i + 2];
         // NOLINTEND(cppcoreguidelines-pro-bounds-pointer-arithmetic)
         if (IsOneByte(c1)) {
             i += 1;  // 1 : Proceeds 1 byte
@@ -101,6 +99,10 @@ bool Utf8ToUtf16LEByteCheck(const unsigned char *data, std::u16string &u16Str, s
                 if (i + TWO_MORE_BYTES_TO_CONSUME >= inputSizeBytes) {
                     return false;
                 }
+                // NOLINTBEGIN(cppcoreguidelines-pro-bounds-pointer-arithmetic)
+                uint8_t c2 = data[i + 1];
+                uint8_t c3 = data[i + 2];
+                // NOLINTEND(cppcoreguidelines-pro-bounds-pointer-arithmetic)
                 i += TWO_MORE_BYTES_TO_CONSUME + 1;
                 // CC-OFFNXT(G.FMT.02-CPP) project code style
                 // NOLINTBEGIN(hicpp-signed-bitwise)
@@ -115,6 +117,8 @@ bool Utf8ToUtf16LEByteCheck(const unsigned char *data, std::u16string &u16Str, s
                 if (i + ONE_MORE_BYTE_TO_CONSUME >= inputSizeBytes) {
                     return false;
                 }
+                // NOLINTNEXTLINE(cppcoreguidelines-pro-bounds-pointer-arithmetic)
+                uint8_t c2 = data[i + 1];
                 i += ONE_MORE_BYTE_TO_CONSUME + 1;
                 // NOLINTNEXTLINE(hicpp-signed-bitwise)
                 uint32_t codePoint = ((c1 & LOWER_5_BITS_MASK) << UTF8_VALID_BITS) | (c2 & LOWER_6_BITS_MASK);
diff --git a/static_core/plugins/ets/tests/ets_sdk/api/@ohos/util/TextEncoder/TextEncoderConstructorTest.ets b/static_core/plugins/ets/tests/ets_sdk/api/@ohos/util/TextEncoder/TextEncoderConstructorTest.ets
index bd7a4f89882371aa0ae7e5f4e2cff7b0c17e3a4d..0b8af4d0e548bdb34b42585b334865e5ddc476ba 100644
--- a/static_core/plugins/ets/tests/ets_sdk/api/@ohos/util/TextEncoder/TextEncoderConstructorTest.ets
+++ b/static_core/plugins/ets/tests/ets_sdk/api/@ohos/util/TextEncoder/TextEncoderConstructorTest.ets
@@ -42,6 +42,7 @@ function main() {
     suite.addTest("test_encoding_gb2312", test_encoding_gb2312);
     suite.addTest("test_encoding_utf16le", test_encoding_utf16le);
     suite.addTest("test_encoding_iso88593", test_encoding_iso88593);
+    suite.addTest("test_encoding_u16le_h", test_encoding_u16le_h);
     return suite.run()
 }
 
@@ -230,3 +231,10 @@ function test_encoding_iso88593() {
     str = enc.encoding;
     arktest.assertEQ(str, 'IBM866');
 }
+
+function test_encoding_u16le_h() {
+    let enc = new util.TextEncoder('utf-16le');
+    const bytes = enc.encodeInto('H');
+    arktest.assertEQ(bytes[0], 72);
+    arktest.assertEQ(bytes[1], 0);
+}
\ No newline at end of file