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