diff --git a/CHANGELOG.md b/CHANGELOG.md
index 25393503674da35e2f1719c285b38c1da8e3158a..e23e5a89994ba55301d5f23966a216529789767d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 0.0.2-SNAPSHOT
+* 修改FindBugs
+
 ## 0.0.1-SNAPSHOT
 ohos第一个版本
 * 实现了原库的大部分api
diff --git a/README.md b/README.md
index 63eca1d26cb923bc37b91f9d58fa95e1423478bc..e9a559f3546546291e1156fdc585f208890634e0 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@
 - 项目移植状态：获取设备IMSI未实现
 - 调用差异：无
 - 基线版本：Release v1.1
-- 开发版本：sdk5，DevEco Studio 2.1 Release
+- 开发版本：sdk6，DevEco Studio 2.2 Beta1
 
 #### 效果演示
 <img src="image/gif1.gif"></img>
@@ -29,11 +29,11 @@ allprojects {
 2.在entry模块的build.gradle文件中
  ```gradle
  dependencies {
-    implementation('com.gitee.chinasoft_ohos:safe-java-js-webview-bridge:0.0.1-SNAPSHOT')
+    implementation('com.gitee.chinasoft_ohos:safe-java-js-webview-bridge:0.0.2-SNAPSHOT')
     ......  
  }
  ```
-在sdk5，DevEco Studio 2.1 Release下项目可直接运行,如无法运行，删除项目.gradle,.idea,build,gradle,build.gradle文件，并依据自己的版本创建新项目，将新项目的对应文件复制到根目录下
+在sdk6，DevEco Studio 2.2 Beta1下项目可直接运行,如无法运行，删除项目.gradle,.idea,build,gradle,build.gradle文件，并依据自己的版本创建新项目，将新项目的对应文件复制到根目录下
 
 #### 使用说明
 
@@ -176,7 +176,7 @@ CodeCheck代码测试无异常
 
 CloudTest代码测试无异常
 
-火绒安全病毒安全检测通过
+病毒安全检测通过
 
 当前版本demo功能与原组件基本无差异
 
diff --git a/build.gradle b/build.gradle
index 83d884f02e8af69834e5d58b7b639f22d0a08708..bf479ca657fb6b63c48c13c097af23041e8b2e1e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,7 +2,7 @@
 apply plugin: 'com.huawei.ohos.app'
 
 ohos {
-    compileSdkVersion 5
+    compileSdkVersion 6
     defaultConfig {
         compatibleSdkVersion 5
     }
@@ -19,8 +19,8 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.huawei.ohos:hap:2.4.4.2'
-        classpath 'com.huawei.ohos:decctest:1.0.0.6'
+        classpath 'com.huawei.ohos:hap:2.4.5.0'
+        classpath 'com.huawei.ohos:decctest:1.2.4.1'
     }
 }
 
diff --git a/library/build.gradle b/library/build.gradle
index 92793218e9f37fdd28f85e7fb27e751c08a2c520..0f12dfb2b98a91f6d5f2d0828ded814d4f9ec934 100644
--- a/library/build.gradle
+++ b/library/build.gradle
@@ -1,6 +1,6 @@
 apply plugin: 'com.huawei.ohos.library'
 ohos {
-    compileSdkVersion 5
+    compileSdkVersion 6
     defaultConfig {
         compatibleSdkVersion 5
     }
diff --git a/library/src/main/config.json b/library/src/main/config.json
index b2adf3e62b06ee8bc483b96245c98d3c35ba67d3..0268a73a01e9934942bbad75bf2f9b3fcdbe1d31 100644
--- a/library/src/main/config.json
+++ b/library/src/main/config.json
@@ -5,11 +5,6 @@
     "version": {
       "code": 1000000,
       "name": "1.0.0"
-    },
-    "apiVersion": {
-      "compatible": 5,
-      "target": 5,
-      "releaseType": "Release"
     }
   },
   "deviceConfig": {
diff --git a/library/src/main/java/cn/pedant/SafeWebViewBridge/JsCallJava.java b/library/src/main/java/cn/pedant/SafeWebViewBridge/JsCallJava.java
index 952ab3dc20f600428cf2eb68b329ac9481716a33..e659db888fe09569817b82a9af8dfca295b03649 100644
--- a/library/src/main/java/cn/pedant/SafeWebViewBridge/JsCallJava.java
+++ b/library/src/main/java/cn/pedant/SafeWebViewBridge/JsCallJava.java
@@ -78,7 +78,7 @@ public class JsCallJava {
     }
 
     private String genJavaMethodSign(Method method) {
-        String sign = method.getName();
+        StringBuilder sign = new StringBuilder(method.getName());
         Class[] argsTypes = method.getParameterTypes();
         int len = argsTypes.length;
         if (len < 1 || argsTypes[0] != WebView.class) {
@@ -88,23 +88,23 @@ public class JsCallJava {
         for (int kk = 1; kk < len; kk++) {
             Class cls = argsTypes[kk];
             if (cls == String.class) {
-                sign += "_S";
+                sign.append("_S");
             } else if (cls == int.class
                     || cls == long.class
                     || cls == float.class
                     || cls == double.class) {
-                sign += "_N";
+                sign.append("_N");
             } else if (cls == boolean.class) {
-                sign += "_B";
+                sign.append("_B");
             } else if (cls == JsonObject.class) {
-                sign += "_O";
+                sign.append("_O");
             } else if (cls == JsCallback.class) {
-                sign += "_F";
+                sign.append("_F");
             } else {
-                sign += "_P";
+                sign.append("_P");
             }
         }
-        return sign;
+        return sign.toString();
     }
 
     /**
diff --git a/sample/build.gradle b/sample/build.gradle
index 718f09660cf3c716cfabcb5da80861ffd706cfbf..6f79f10aa00549191dc9ce1ba376889bfc1c2aee 100644
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -1,7 +1,7 @@
 apply plugin: 'com.huawei.ohos.hap'
 apply plugin: 'com.huawei.ohos.decctest'
 ohos {
-    compileSdkVersion 5
+    compileSdkVersion 6
     defaultConfig {
         compatibleSdkVersion 5
     }
diff --git a/sample/src/main/config.json b/sample/src/main/config.json
index 238ada5d24bcf1659f06cd0119d17f0806a694f0..14130750370c17449a480a2648cb776f9abd3ec9 100644
--- a/sample/src/main/config.json
+++ b/sample/src/main/config.json
@@ -5,11 +5,6 @@
     "version": {
       "code": 1000000,
       "name": "1.0"
-    },
-    "apiVersion": {
-      "compatible": 5,
-      "target": 5,
-      "releaseType": "Release"
     }
   },
   "deviceConfig": {
@@ -28,7 +23,8 @@
     "distro": {
       "deliveryWithInstall": true,
       "moduleName": "sample",
-      "moduleType": "entry"
+      "moduleType": "entry",
+      "installationFree":false
     },
     "abilities": [
       {
diff --git a/sample/src/main/java/cn/pedant/SafeWebViewBridge/sample/HostJsScope.java b/sample/src/main/java/cn/pedant/SafeWebViewBridge/sample/HostJsScope.java
index 63b60859f06add3ec43742eac8524cbe16a33bec..166ec5a16f5bb087b326fdcb5ab41f4902c85383 100644
--- a/sample/src/main/java/cn/pedant/SafeWebViewBridge/sample/HostJsScope.java
+++ b/sample/src/main/java/cn/pedant/SafeWebViewBridge/sample/HostJsScope.java
@@ -226,6 +226,30 @@ public class HostJsScope {
         int intField;
         String strField;
         boolean isBoolField;
+
+        public int getIntField() {
+            return intField;
+        }
+
+        public void setIntField(int intField) {
+            this.intField = intField;
+        }
+
+        public String getStrField() {
+            return strField;
+        }
+
+        public void setStrField(String strField) {
+            this.strField = strField;
+        }
+
+        public boolean isBoolField() {
+            return isBoolField;
+        }
+
+        public void setBoolField(boolean boolField) {
+            isBoolField = boolField;
+        }
     }
 
     /**
@@ -236,9 +260,9 @@ public class HostJsScope {
      */
     public static List<RetJavaObj> retJavaObject(WebView view) {
         RetJavaObj obj = new RetJavaObj();
-        obj.intField = 1;
-        obj.strField = "mine str";
-        obj.isBoolField = true;
+        obj.setIntField(1);
+        obj.setStrField("mine str");
+        obj.setBoolField(true);
         List<RetJavaObj> rets = new ArrayList<RetJavaObj>();
         rets.add(obj);
         return rets;
diff --git a/sample/src/main/java/cn/pedant/SafeWebViewBridge/sample/WebAbilitySlice.java b/sample/src/main/java/cn/pedant/SafeWebViewBridge/sample/WebAbilitySlice.java
index 83967dbea83e3c6865c7055e8be07e1d2b5d9693..716a7284cdf64fec24fcf43a9ab3430380341ddc 100644
--- a/sample/src/main/java/cn/pedant/SafeWebViewBridge/sample/WebAbilitySlice.java
+++ b/sample/src/main/java/cn/pedant/SafeWebViewBridge/sample/WebAbilitySlice.java
@@ -45,7 +45,7 @@ public class WebAbilitySlice extends AbilitySlice {
         super.onForeground(intent);
     }
 
-    public class CustomChromeClient extends InjectedChromeClient {
+    static class CustomChromeClient extends InjectedChromeClient {
         /**
          * 构造
          *
diff --git a/sample/src/main/java/cn/pedant/SafeWebViewBridge/sample/util/TaskExecutor.java b/sample/src/main/java/cn/pedant/SafeWebViewBridge/sample/util/TaskExecutor.java
index e623c5066be1d1854b660793afef5ce65e02f4c3..604edcb4ff2f022490d423671a738910bfcfeaac 100644
--- a/sample/src/main/java/cn/pedant/SafeWebViewBridge/sample/util/TaskExecutor.java
+++ b/sample/src/main/java/cn/pedant/SafeWebViewBridge/sample/util/TaskExecutor.java
@@ -22,18 +22,18 @@ import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
 
 public class TaskExecutor {
-    private static ScheduledThreadPoolExecutor gScheduledThreadPoolExecutor = null;
-    private static EventHandler gMainHandler = null;
+    private static volatile ScheduledThreadPoolExecutor gScheduledThreadPoolExecutor = null;
+    private static volatile EventHandler gMainHandler = null;
 
     /**
      * 不包含网络传输处理过程的线程池执行对象
      */
-    private static ExecutorService gThreadPoolExecutor = null;
+    private static volatile ExecutorService gThreadPoolExecutor = null;
 
     /**
      * 包含网络传输处理过程的线程池执行对象
      */
-    private static ExecutorService gNetProcessThreadPoolExecutor = null;
+    private static volatile ExecutorService gNetProcessThreadPoolExecutor = null;
 
     /**
      * 执行不包含网络传输处理过程的线程