diff --git a/app/build.gradle b/app/build.gradle
index 15d07f1..90aee3e 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -63,4 +63,5 @@ dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation project(path: ':lspcore')
     compileOnly project(":hiddenapi-stubs")
+    implementation project(':share')
 }
diff --git a/app/src/main/java/org/lsposed/lspatch/loader/LSPApplication.java b/app/src/main/java/org/lsposed/lspatch/loader/LSPApplication.java
index 339bf4f..f3a135f 100644
--- a/app/src/main/java/org/lsposed/lspatch/loader/LSPApplication.java
+++ b/app/src/main/java/org/lsposed/lspatch/loader/LSPApplication.java
@@ -14,9 +14,10 @@ import android.os.Parcel;
 import org.lsposed.lspatch.loader.util.FileUtils;
 import org.lsposed.lspatch.loader.util.XLog;
 import org.lsposed.lspatch.loader.util.XpatchUtils;
-
+import org.lsposed.lspatch.share.Constants;
 import org.lsposed.lspd.yahfa.hooker.YahfaHooker;
 
+import java.io.IOException;
 import java.lang.reflect.Field;
 import java.lang.reflect.Modifier;
 import java.util.ArrayList;
@@ -208,7 +209,27 @@ public class LSPApplication extends Application {
         hookInstallContentProviders();
         hookActivityAttach();
         hookServiceAttach();
-        byPassSignature();
+        if (fetchSigbypassLv() >= Constants.SIGBYPASS_LV_PM) {
+            byPassSignature();
+        }
+    }
+
+    private static int cacheSigbypassLv = -1;
+
+    private static int fetchSigbypassLv() {
+        if (cacheSigbypassLv != -1) {
+            return cacheSigbypassLv;
+        }
+        for (int i = Constants.SIGBYPASS_LV_DISABLE; i < Constants.SIGBYPASS_LV_MAX; i++) {
+            try {
+                context.getAssets().open(Constants.CONFIG_NAME_SIGBYPASSLV + i);
+                cacheSigbypassLv = i;
+                return i;
+            }
+            catch (IOException ignore) {
+            }
+        }
+        throw new IllegalStateException(Constants.CONFIG_NAME_SIGBYPASSLV + " err");
     }
 
     private static void hookContextImplSetOuterContext() {
diff --git a/patch/build.gradle b/patch/build.gradle
index 3619756..bc7cf8f 100644
--- a/patch/build.gradle
+++ b/patch/build.gradle
@@ -14,6 +14,7 @@ dependencies {
     implementation project(':axmlprinter')
     //implementation project(':apksigner')
     implementation group: 'commons-io', name: 'commons-io', version: '2.8.0'
+    implementation project(':share')
 }
 
 sourceSets.main.java.srcDirs += "$rootProject.projectDir/apksigner/src/main/java"
diff --git a/patch/src/main/java/org/lsposed/patch/LSPatch.java b/patch/src/main/java/org/lsposed/patch/LSPatch.java
index 145a4b9..fc92a0a 100644
--- a/patch/src/main/java/org/lsposed/patch/LSPatch.java
+++ b/patch/src/main/java/org/lsposed/patch/LSPatch.java
@@ -7,6 +7,7 @@ import com.wind.meditor.property.AttributeItem;
 import com.wind.meditor.property.ModificationProperty;
 import com.wind.meditor.utils.NodeValue;
 
+import org.lsposed.lspatch.share.Constants;
 import org.lsposed.patch.base.BaseCommand;
 import org.lsposed.patch.task.BuildAndSignApkTask;
 import org.lsposed.patch.task.SaveApkSignatureTask;
@@ -18,9 +19,7 @@ import org.lsposed.patch.util.ManifestParser;
 import java.io.File;
 import java.io.IOException;
 import java.text.SimpleDateFormat;
-import java.util.ArrayList;
 import java.util.Date;
-import java.util.List;
 import java.util.regex.Pattern;
 
 public class LSPatch extends BaseCommand {
@@ -28,26 +27,27 @@ public class LSPatch extends BaseCommand {
 
     private String unzipApkFilePath;
 
-    @Opt(opt = "o", longOpt = "output", description = "output .apk file, default is " +
-            "$source_apk_dir/[file-name]-xposed-signed.apk", argName = "out-apk-file")
-    private String output;
+    @Opt(opt = "o", longOpt = "output", description = "Output .apk file, default is " +
+            "$source_apk_dir/[file-name]-xposed-signed.apk", argName = "file")
+    private String outputPath;
 
-    @Opt(opt = "f", longOpt = "force", hasArg = false, description = "force overwrite")
+    @Opt(opt = "f", longOpt = "force", hasArg = false, description = "Force overwrite exists output file")
     private boolean forceOverwrite = false;
 
-    @Opt(opt = "pn", longOpt = "proxyname", description = "special proxy app name with full dot path", argName = "proxy app name")
-    private String proxyname = "org.lsposed.lspatch.loader.LSPApplication";
+    @Opt(opt = "p", longOpt = "proxyname", description = "Special proxy app name with full dot path", argName = "name")
+    private String proxyName = "org.lsposed.lspatch.loader.LSPApplication";
 
-    @Opt(opt = "d", longOpt = "debuggable", description = "set 1 to make the app debuggable = true, " +
+    @Opt(opt = "d", longOpt = "debuggable", description = "Set 1 to make the app debuggable = true, " +
             "set 0 to make the app debuggable = false", argName = "0 or 1")
-    private int debuggable = -1;  // 0: debuggable = false   1: debuggable = true
+    private int debuggableFlag = -1;  // 0: debuggable = false   1: debuggable = true
+
+    @Opt(opt = "l", longOpt = "sigbypasslv", description = "Signature bypass level. 0 (disable), 1 (pm), 2 (pm+openat). default 0", argName = "0-2")
+    private int sigbypassLevel = 0;
 
     private int dexFileCount = 0;
 
     private static final String UNZIP_APK_FILE_NAME = "apk-unzip-files";
 
-    private List<Runnable> mXpatchTasks = new ArrayList<>();
-
     public static void main(String... args) {
         new LSPatch().doMain(args);
     }
@@ -61,6 +61,7 @@ public class LSPatch extends BaseCommand {
     @Override
     protected void doCommandLine() throws IOException {
         if (remainingArgs.length != 1) {
+            System.out.println();
             if (remainingArgs.length == 0) {
                 System.out.println("Please choose one apk file you want to process. ");
             }
@@ -85,13 +86,14 @@ public class LSPatch extends BaseCommand {
         System.out.println("currentDir: " + currentDir);
         System.out.println("apkPath: " + apkPath);
 
-        if (output == null || output.length() == 0) {
-            output = getBaseName(apkPath) + "-xposed-signed.apk";
+        if (outputPath == null || outputPath.length() == 0) {
+            String sig = "sigbypasslv" + sigbypassLevel;
+            outputPath = String.format("%s-%s-xposed-signed.apk", getBaseName(apkPath), sig);
         }
 
-        File outputFile = new File(output);
+        File outputFile = new File(outputPath);
         if (outputFile.exists() && !forceOverwrite) {
-            System.err.println(output + " exists, use --force to overwrite");
+            System.err.println(outputPath + " exists, use --force to overwrite");
             usage();
             return;
         }
@@ -103,7 +105,7 @@ public class LSPatch extends BaseCommand {
             outputApkFileParentPath = absPath.substring(0, index);
         }
 
-        System.out.println("output apk path: " + output);
+        System.out.println("output apk path: " + outputPath);
 
         String apkFileName = getBaseName(srcApkFile);
 
@@ -139,7 +141,7 @@ public class LSPatch extends BaseCommand {
             applicationName = pair.applicationName;
         }
 
-        System.out.println("Get application name cost time:  " + (System.currentTimeMillis() - currentTime) + "ms");
+        System.out.println("Get application name cost time: " + (System.currentTimeMillis() - currentTime) + "ms");
         System.out.println("Get the application name: " + applicationName);
 
         // modify manifest
@@ -160,44 +162,40 @@ public class LSPatch extends BaseCommand {
 
         // save original main application name to asset file
         if (isNotEmpty(applicationName)) {
-            mXpatchTasks.add(new SaveOriginalApplicationNameTask(applicationName, unzipApkFilePath));
+            new SaveOriginalApplicationNameTask(applicationName, unzipApkFilePath).run();
         }
 
         //  copy xposed so and dex files into the unzipped apk
-        mXpatchTasks.add(new SoAndDexCopyTask(dexFileCount, unzipApkFilePath));
-
-        //  compress all files into an apk and then sign it.
-        mXpatchTasks.add(new BuildAndSignApkTask(true, unzipApkFilePath, output));
+        new SoAndDexCopyTask(dexFileCount, unzipApkFilePath).run();
 
         // copy origin apk to assets
         // convenient to bypass some check like CRC
-        copyFile(srcApkFile, new File(unzipApkFilePath, "assets/origin_apk.bin"));
-
-        // excute these tasks
-        for (Runnable executor : mXpatchTasks) {
-            currentTime = System.currentTimeMillis();
-            executor.run();
-
-            System.out.println(executor.getClass().getSimpleName() + " cost time: "
-                    + (System.currentTimeMillis() - currentTime) + "ms");
+        if (sigbypassLevel >= Constants.SIGBYPASS_LV_PM) {
+            copyFile(srcApkFile, new File(unzipApkFilePath, "assets/origin_apk.bin"));
         }
 
-        System.out.println("Output APK: " + output);
+        // save lspatch config to asset..
+        fuckIfFail(new File(unzipApkFilePath, "assets/" + Constants.CONFIG_NAME_SIGBYPASSLV + sigbypassLevel).createNewFile());
+
+        //  compress all files into an apk and then sign it.
+        new BuildAndSignApkTask(true, unzipApkFilePath, outputPath).run();
+
+        System.out.println("Output APK: " + outputPath);
     }
 
     private void modifyManifestFile(String filePath, String dstFilePath, String originalApplicationName) {
         ModificationProperty property = new ModificationProperty();
         boolean modifyEnabled = false;
 
-        if (debuggable >= 0) {
+        if (debuggableFlag >= 0) {
             modifyEnabled = true;
-            property.addApplicationAttribute(new AttributeItem(NodeValue.Application.DEBUGGABLE, debuggable != 0));
+            property.addApplicationAttribute(new AttributeItem(NodeValue.Application.DEBUGGABLE, debuggableFlag != 0));
         }
 
         property.addApplicationAttribute(new AttributeItem("extractNativeLibs", true));
 
         modifyEnabled = true;
-        property.addApplicationAttribute(new AttributeItem(NodeValue.Application.NAME, proxyname));
+        property.addApplicationAttribute(new AttributeItem(NodeValue.Application.NAME, proxyName));
 
         FileProcesser.processManifestFile(filePath, dstFilePath, property);
     }
diff --git a/patch/src/main/java/org/lsposed/patch/base/BaseCommand.java b/patch/src/main/java/org/lsposed/patch/base/BaseCommand.java
index 8017638..871e481 100644
--- a/patch/src/main/java/org/lsposed/patch/base/BaseCommand.java
+++ b/patch/src/main/java/org/lsposed/patch/base/BaseCommand.java
@@ -96,7 +96,7 @@ public abstract class BaseCommand {
             }
             if (longOpt != null && longOpt.length() > 0) {
                 if (havePrev) {
-                    sb.append(",");
+                    sb.append(", ");
                 }
                 sb.append("--").append(longOpt);
             }
@@ -248,7 +248,7 @@ public abstract class BaseCommand {
 
     protected void parseSetArgs(String... args) throws IllegalArgumentException, IllegalAccessException {
         this.orginalArgs = args;
-        List<String> remainsOptions = new ArrayList<String>();
+        List<String> remainsOptions = new ArrayList<>();
         Set<Option> requiredOpts = collectRequriedOptions(optMap);
         Option needArgOpt = null;
         for (String s : args) {
@@ -377,37 +377,18 @@ public abstract class BaseCommand {
 
     protected void usage() {
         PrintWriter out = new PrintWriter(new OutputStreamWriter(System.err, StandardCharsets.UTF_8), true);
+        out.println();
 
-        final int maxLength = 80;
-        final int maxPaLength = 40;
-//        out.println(this.cmdName + " -- " + desc);
-//        out.println("usage: " + this.cmdName + " " + cmdLineSyntax);
         if (this.optMap.size() > 0) {
-            out.println("options:");
+            out.println("Options:");
+            out.println();
         }
-        // [PART.A.........][Part.B
-        // .-a,--aa.<arg>...desc1
-        // .................desc2
-        // .-b,--bb
-        TreeSet<Option> options = new TreeSet<Option>(this.optMap.values());
-        int palength = -1;
-        for (Option option : options) {
-            int pa = 4 + option.getOptAndLongOpt().length();
-            if (option.hasArg) {
-                pa += 3 + option.argName.length();
-            }
-            if (pa < maxPaLength) {
-                if (pa > palength) {
-                    palength = pa;
-                }
-            }
-        }
-        int pblength = maxLength - palength;
 
+        TreeSet<Option> options = new TreeSet<>(this.optMap.values());
         StringBuilder sb = new StringBuilder();
         for (Option option : options) {
             sb.setLength(0);
-            sb.append(" ").append(option.getOptAndLongOpt());
+            sb.append("  ").append(option.getOptAndLongOpt());
             if (option.hasArg) {
                 sb.append(" <").append(option.argName).append(">");
             }
@@ -415,53 +396,23 @@ public abstract class BaseCommand {
             if (desc == null || desc.length() == 0) {// no description
                 out.println(sb);
             } else {
-                for (int i = palength - sb.length(); i > 0; i--) {
-                    sb.append(' ');
+                int maxWidth = 15;
+                if(sb.length() >= maxWidth) {
+                    sb.append('\n');
+                    sb.append(" ".repeat(maxWidth));
                 }
-                if (sb.length() > maxPaLength) {// to huge part A
-                    out.println(sb);
-                    sb.setLength(0);
-                    for (int i = 0; i < palength; i++) {
-                        sb.append(' ');
-                    }
-                }
-                int nextStart = 0;
-                while (nextStart < desc.length()) {
-                    if (desc.length() - nextStart < pblength) {// can put in one line
-                        sb.append(desc.substring(nextStart));
-                        out.println(sb);
-                        nextStart = desc.length();
-                        sb.setLength(0);
-                    } else {
-                        sb.append(desc.substring(nextStart, nextStart + pblength));
-                        out.println(sb);
-                        nextStart += pblength;
-                        sb.setLength(0);
-                        if (nextStart < desc.length()) {
-                            for (int i = 0; i < palength; i++) {
-                                sb.append(' ');
-                            }
-                        }
-                    }
-                }
-                if (sb.length() > 0) {
-                    out.println(sb);
-                    sb.setLength(0);
+                else {
+                    sb.append(" ".repeat(maxWidth - sb.length()));
                 }
+                sb.append(desc);
+                out.println(sb);
             }
+            out.println();
         }
         String ver = getVersionString();
         if (ver != null && !"".equals(ver)) {
             out.println("version: " + ver);
         }
-        if (onlineHelp != null && !"".equals(onlineHelp)) {
-            if (onlineHelp.length() + "online help: ".length() > maxLength) {
-                out.println("online help: ");
-                out.println(onlineHelp);
-            } else {
-                out.println("online help: " + onlineHelp);
-            }
-        }
         out.flush();
     }
 
diff --git a/patch/src/main/java/org/lsposed/patch/task/SoAndDexCopyTask.java b/patch/src/main/java/org/lsposed/patch/task/SoAndDexCopyTask.java
index b98686a..c4a2584 100644
--- a/patch/src/main/java/org/lsposed/patch/task/SoAndDexCopyTask.java
+++ b/patch/src/main/java/org/lsposed/patch/task/SoAndDexCopyTask.java
@@ -45,12 +45,12 @@ public class SoAndDexCopyTask implements Runnable {
             if (apkSoFullPathFile.exists()) {
                 existLibPathArray.add(libPath);
             } else {
-                System.out.println("target app dont have " + libPath + ", skip");
+                System.out.println("Target app dont have " + libPath + ", skip");
             }
         }
 
         if (existLibPathArray.isEmpty()) {
-            System.out.println("target app dont have any so in \"lib/{eabi}\" dir, so create default \"armeabi-v7a\"");
+            System.out.println("Target app dont have any so in \"lib/{eabi}\" dir, so create default \"armeabi-v7a\"");
             String libPath = APK_LIB_PATH_ARRAY[0];
             String apkSoFullPath = fullLibPath(libPath);
             File apkSoFullPathFile = new File(apkSoFullPath);
diff --git a/settings.gradle b/settings.gradle
index 5dc23fc..dd198e0 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -12,3 +12,4 @@ include ':manager-service'
 project(':manager-service').projectDir = new File('mmp/manager-service')
 include ':patch'
 include ':axmlprinter'
+include ':share'
diff --git a/share/.gitignore b/share/.gitignore
new file mode 100644
index 0000000..42afabf
--- /dev/null
+++ b/share/.gitignore
@@ -0,0 +1 @@
+/build
\ No newline at end of file
diff --git a/share/build.gradle b/share/build.gradle
new file mode 100644
index 0000000..71b5f2f
--- /dev/null
+++ b/share/build.gradle
@@ -0,0 +1,7 @@
+plugins {
+    id 'java-library'
+}
+java {
+    sourceCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_1_8
+}
\ No newline at end of file
diff --git a/share/src/main/java/org/lsposed/lspatch/share/Constants.java b/share/src/main/java/org/lsposed/lspatch/share/Constants.java
new file mode 100644
index 0000000..a6c676b
--- /dev/null
+++ b/share/src/main/java/org/lsposed/lspatch/share/Constants.java
@@ -0,0 +1,9 @@
+package org.lsposed.lspatch.share;
+
+public class Constants {
+    final static public String CONFIG_NAME_SIGBYPASSLV = "lspatch_sigbypasslv";
+    final static public int SIGBYPASS_LV_DISABLE = 0;
+    final static public int SIGBYPASS_LV_PM = 1;
+    final static public int SIGBYPASS_LV_PM_OPENAT = 2;
+    final static public int SIGBYPASS_LV_MAX = 3;
+}