diff --git a/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/hap/entity/HwSignHead.java b/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/hap/entity/HwSignHead.java
index 0010344c927ed9dbf85d413939d0629074dce365..24874b33faaf66741277440fb67d9703f4140d30 100644
--- a/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/hap/entity/HwSignHead.java
+++ b/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/hap/entity/HwSignHead.java
@@ -90,16 +90,16 @@ public class HwSignHead {
      */
     public byte[] getSignHeadLittleEndian(int subBlockSize, int subBlockNum) {
         ByteBuffer bf = ByteBuffer.allocate(SIGN_HEAD_LEN).order(ByteOrder.LITTLE_ENDIAN);
-        for (char c : ELF_MAGIC) {
-            bf.put((byte) c);
+        for (char character : ELF_MAGIC) {
+            bf.put((byte) character);
         }
-        for (char c : VERSION) {
-            bf.put((byte) c);
+        for (char character : VERSION) {
+            bf.put((byte) character);
         }
         bf.putInt(subBlockSize);
         bf.putInt(subBlockNum);
-        for (char c : reserve) {
-            bf.put((byte) c);
+        for (char character : reserve) {
+            bf.put((byte) character);
         }
         return bf.array();
     }
diff --git a/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/hap/provider/SignProvider.java b/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/hap/provider/SignProvider.java
index 4e22f8145df2efc97f4d47fdb6cad06d4d79849b..b5271155cf183532ecb50aeb25472e7543bdae06 100644
--- a/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/hap/provider/SignProvider.java
+++ b/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/hap/provider/SignProvider.java
@@ -84,6 +84,9 @@ import java.util.TimeZone;
 import java.util.jar.JarFile;
 import java.util.jar.JarOutputStream;
 
+import static com.ohos.hapsigntool.codesigning.sign.CodeSigning.SUPPORT_BIN_FILE_FORM;
+import static com.ohos.hapsigntool.codesigning.sign.CodeSigning.SUPPORT_FILE_FORM;
+
 /**
  * Sign provider super class
  *
@@ -381,6 +384,10 @@ public abstract class SignProvider {
     private void appendCodeSignBlock(SignerConfig signerConfig, File tmpOutput, String suffix,
         long centralDirectoryOffset)
         throws FsVerityDigestException, CodeSignException, IOException, HapFormatException {
+        if (!SUPPORT_BIN_FILE_FORM.contains(suffix) && !SUPPORT_FILE_FORM.contains(suffix)) {
+            LOGGER.warn("no need to sign code for: " + suffix);
+            return;
+        }
         if (signParams.get(ParamConstants.PARAM_SIGN_CODE)
                 .equals(ParamConstants.SignCodeFlag.ENABLE_SIGN_CODE.getSignCodeFlag())) {
             // 4 means hap format occupy 4 byte storage location,2 means optional blocks reserve 2 storage location
@@ -492,8 +499,8 @@ public abstract class SignProvider {
     private void copyFileAndAlignment(File input, File tmpOutput, int alignment)
             throws IOException, HapFormatException {
         try (JarFile inputJar = new JarFile(input, false);
-             FileOutputStream outputFile = new FileOutputStream(tmpOutput);
-             JarOutputStream outputJar = new JarOutputStream(outputFile)) {
+            FileOutputStream outputFile = new FileOutputStream(tmpOutput);
+            JarOutputStream outputJar = new JarOutputStream(outputFile)) {
             long timestamp = TIMESTAMP;
             timestamp -= TimeZone.getDefault().getOffset(timestamp);
             outputJar.setLevel(COMPRESSION_MODE);
diff --git a/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/hap/sign/SignElf.java b/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/hap/sign/SignElf.java
index 811f123979a0a54e032a06aa8187381b7675e999..5c5950ef8a186de2c11815d50295bf0b25ebfaec 100644
--- a/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/hap/sign/SignElf.java
+++ b/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/hap/sign/SignElf.java
@@ -128,7 +128,7 @@ public class SignElf {
 
     private static boolean writeSignedElf(String inputFile, List<SignBlockData> signBlockList, String outputFile) {
         try (FileOutputStream fileOutputStream = new FileOutputStream(outputFile);
-             DataOutputStream dataOutputStream = new DataOutputStream(fileOutputStream)) {
+            DataOutputStream dataOutputStream = new DataOutputStream(fileOutputStream)) {
             // 1. write the input file to the output file.
             if (!FileUtils.writeFileToDos(inputFile, dataOutputStream)) {
                 LOGGER.error("Failed to write information of input file: " + inputFile
diff --git a/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/utils/HapUtils.java b/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/utils/HapUtils.java
index 172f8a75789ce473b2aa459476b2d4cef5f80169..09fc1c11025ec581de61cf4f5238c2fb82048b2e 100644
--- a/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/utils/HapUtils.java
+++ b/hapsigntool/hap_sign_tool_lib/src/main/java/com/ohos/hapsigntool/utils/HapUtils.java
@@ -235,7 +235,7 @@ public class HapUtils {
      */
     public static byte[] readFileToByte(String file) throws IOException {
         try (FileInputStream in = new FileInputStream(file);
-             ByteArrayOutputStream out = new ByteArrayOutputStream(in.available());) {
+            ByteArrayOutputStream out = new ByteArrayOutputStream(in.available());) {
             byte[] buf = new byte[BUFFER_LENGTH];
             int len = 0;
             while ((len = in.read(buf)) != -1) {