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 6b79928bc5c4b86900131b66f9f74755486723eb..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
@@ -96,11 +96,13 @@ bool Utf8ToUtf16LEByteCheck(const unsigned char *data, std::u16string &u16Str, s
                 break;
             }
             case THREE_BYTES_STYLE: {
-                uint8_t c2 = data[i + 1];
-                uint8_t c3 = data[i + 2];
                 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)
@@ -112,10 +114,11 @@ bool Utf8ToUtf16LEByteCheck(const unsigned char *data, std::u16string &u16Str, s
             }
             case TWO_BYTES_STYLE1:
             case TWO_BYTES_STYLE2: {
-                uint8_t c2 = data[i + 1];
                 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);