diff --git a/app/oh-package.json5 b/app/oh-package.json5
index bfbf670..d2b8133 100644
--- a/app/oh-package.json5
+++ b/app/oh-package.json5
@@ -8,7 +8,8 @@
   "dependencies": {
     "@devwiki/common_ui": "file:../common_ui",
     "@devwiki/base": "file:../base",
-    "@ohos/axios": "^2.2.0"
+    "@ohos/axios": "^2.2.0",
+    "@devwiki/native_lib": "file:../native_lib"
   },
   "devDependencies": {},
   "dynamicDependencies": {}
diff --git a/app/src/main/ets/pages/Index.ets b/app/src/main/ets/pages/Index.ets
index 4f5fa54..d75e76a 100644
--- a/app/src/main/ets/pages/Index.ets
+++ b/app/src/main/ets/pages/Index.ets
@@ -8,6 +8,7 @@ import { Log } from '@devwiki/base';
 import { BaseLocalStorage, ScreenUtil } from '@devwiki/base';
 import { HomeItem, HomeItemGroup } from '../model/Home';
 import { common, Want } from '@kit.AbilityKit';
+import { CalculateAdapter } from '@devwiki/native_lib/src/main/cpp/types/libnatvie_lib';
 
 
 @Entry
@@ -63,9 +64,13 @@ struct Index {
     }
   ];
 
+  adapter?: CalculateAdapter;
+
   aboutToAppear(): void {
     ScreenUtil.getInstance().initScreenSize();
     BaseLocalStorage.getInstance().init(getContext(this));
+    this.adapter = new CalculateAdapter();
+    let a = this.adapter.add(1,2);
   }
 
   onPageShow(): void {
diff --git a/app/src/main/ets/pages/mvvm/HomePage.ets b/app/src/main/ets/pages/mvvm/HomePage.ets
index 8a0c805..8d860bd 100644
--- a/app/src/main/ets/pages/mvvm/HomePage.ets
+++ b/app/src/main/ets/pages/mvvm/HomePage.ets
@@ -35,7 +35,8 @@ export struct HomePage {
       TabContent() {
         TabView2();
       }.tabBar("View2")
-    }.onChange((index) => {
+    }.barOverlap(true)
+    .onChange((index) => {
       if (index == 0) {
         this.tv1ViewModel.onViewShow();
         this.tv2ViewModel.onViewHide();
diff --git a/native_lib/Index.ets b/native_lib/Index.ets
index e69de29..b001e25 100644
--- a/native_lib/Index.ets
+++ b/native_lib/Index.ets
@@ -0,0 +1 @@
+export {} from './src/main/cpp/types/libnatvie_lib/index'
\ No newline at end of file
diff --git a/native_lib/oh-package.json5 b/native_lib/oh-package.json5
index 7cd5a2f..37b71eb 100644
--- a/native_lib/oh-package.json5
+++ b/native_lib/oh-package.json5
@@ -1,5 +1,5 @@
 {
-  "name": "native_lib",
+  "name": "@devwiki/native_lib",
   "version": "1.0.0",
   "description": "Please describe the basic information.",
   "main": "Index.ets",
@@ -7,6 +7,6 @@
   "license": "Apache-2.0",
   "packageType": "InterfaceHar",
   "dependencies": {
-    "libnatvie_lib.so": "file:./src/main/cpp/types/libnatvie_lib"
+    "native_lib.so": "file:./src/main/cpp/types/libnatvie_lib"
   }
 }
\ No newline at end of file
diff --git a/native_lib/src/main/cpp/CMakeLists.txt b/native_lib/src/main/cpp/CMakeLists.txt
index 764ee4a..2aa36ba 100644
--- a/native_lib/src/main/cpp/CMakeLists.txt
+++ b/native_lib/src/main/cpp/CMakeLists.txt
@@ -13,4 +13,4 @@ include_directories(${NATIVERENDER_ROOT_PATH}
 
 add_library(native_lib SHARED napi_init.cpp)
 
-target_link_libraries(native_lib PUBLIC ../../../../cppLib/dist/lib/arm64-v8a)
\ No newline at end of file
+target_link_libraries(native_lib PUBLIC ../../../../cppLib/dist/lib/arm64-v8a/libcalculate.so)
\ No newline at end of file
diff --git a/native_lib/src/main/cpp/Calculator.cpp b/native_lib/src/main/cpp/CalculateAdaptor.cpp
similarity index 61%
rename from native_lib/src/main/cpp/Calculator.cpp
rename to native_lib/src/main/cpp/CalculateAdaptor.cpp
index a0c5484..318cdf3 100644
--- a/native_lib/src/main/cpp/Calculator.cpp
+++ b/native_lib/src/main/cpp/CalculateAdaptor.cpp
@@ -4,40 +4,36 @@
 // Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
 // please include "napi/native_api.h".
 
-#include "Calculator.h"
-#include "Calculate.h"
+#include "CalculateAdaptor.h"
+#include "library.h"
 
-Calculator::Calculator() { 
+CalculateAdaptor::CalculateAdaptor() { 
     _calculate = &Calculate::getInstance(); 
 }
 
-Calculator::~Calculator() {
+CalculateAdaptor::CalculateAdaptor(napi_env env, napi_value thisVar) { 
+    _calculate = &Calculate::getInstance();
+}
+
+CalculateAdaptor::~CalculateAdaptor() {
     
 }
 
-Calculator *util_get_napi_info(napi_env env, napi_callback_info cbinfo, size_t argc, napi_value *argv) 
+CalculateAdaptor *util_get_napi_info(napi_env env, napi_callback_info cbinfo, size_t argc, napi_value *argv) 
 {
     napi_value thisVar = nullptr;
     void *data = nullptr;
     napi_get_cb_info(env, cbinfo, &argc, argv, &thisVar, &data);
-    Calculator *calculator = nullptr;
+    CalculateAdaptor *calculator = nullptr;
     napi_unwrap(env, thisVar, (void **)&calculator);
     return calculator;
 }
 
-Calculate *util_get_napi_calculate(napi_env env, napi_callback_info cbinfo, size_t argc, napi_value *argv) 
-{
-    Calculator *calculator = util_get_napi_info(env, cbinfo, argc, argv);
-    if (calculator) {
-        return calculator->_calculate;
-    }
-    return nullptr;
-}
 
 napi_value calculate_add(napi_env env, napi_callback_info info) {
     size_t argc = 2;
     napi_value argv[2] = {0};
-    Calculator *calculator = util_get_napi_info(env, info, argc, argv);
+    CalculateAdaptor *calculator = util_get_napi_info(env, info, argc, argv);
 
     int32_t result = 0;
     napi_status a = napi_ok;
@@ -51,10 +47,10 @@ napi_value calculate_add(napi_env env, napi_callback_info info) {
     return value;
 }
 
-CalculateInfo calculate_getInfo(napi_env env, napi_callback_info info) {
+napi_value calculate_getInfo(napi_env env, napi_callback_info info) {
     size_t argc = 0;
     napi_value argv[1] = {0};
-    Calculator *calculator = util_get_napi_info(env, info, argc, argv);
+    CalculateAdaptor *calculator = util_get_napi_info(env, info, argc, argv);
     
     CalculateInfo info2;
     info2.name = calculator->_calculate->getInfo().name;
@@ -62,4 +58,6 @@ CalculateInfo calculate_getInfo(napi_env env, napi_callback_info info) {
     info2.versionName = calculator->_calculate->getInfo().versionName;
     
     napi_value value;
+    
+    return value;
 }
diff --git a/native_lib/src/main/cpp/CalculateAdaptor.h b/native_lib/src/main/cpp/CalculateAdaptor.h
new file mode 100644
index 0000000..c631727
--- /dev/null
+++ b/native_lib/src/main/cpp/CalculateAdaptor.h
@@ -0,0 +1,27 @@
+//
+// Created on 2024/4/22.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+
+#ifndef HM4DEMO_CALCULATOR_H
+#define HM4DEMO_CALCULATOR_H
+
+#include "library.h"
+#include "js_native_api.h"
+
+class CalculateAdaptor {
+public:
+    CalculateAdaptor();
+    CalculateAdaptor(napi_env env, napi_value thisVar);
+    ~CalculateAdaptor();
+    Calculate *_calculate;
+};
+
+CalculateAdaptor *util_get_napi_info(napi_env env, napi_callback_info cbinfo, size_t argc, napi_value *argv);
+
+napi_value calculate_add(napi_env env, napi_callback_info info);
+napi_value calculate_getInfo(napi_env env, napi_callback_info info);
+
+
+#endif //HM4DEMO_CALCULATOR_H
diff --git a/native_lib/src/main/cpp/Calculator.h b/native_lib/src/main/cpp/Calculator.h
deleted file mode 100644
index ecbf426..0000000
--- a/native_lib/src/main/cpp/Calculator.h
+++ /dev/null
@@ -1,27 +0,0 @@
-//
-// Created on 2024/4/22.
-//
-// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
-// please include "napi/native_api.h".
-
-#ifndef HM4DEMO_CALCULATOR_H
-#define HM4DEMO_CALCULATOR_H
-
-#include "Calculate.h"
-#include "js_native_api.h"
-
-class Calculator {
-public:
-    Calculator();
-    ~Calculator();
-    Calculate *_calculate;
-};
-
-Calculator *util_get_napi_info(napi_env env, napi_callback_info cbinfo, size_t argc, napi_value *argv);
-Calculate *util_get_napi_calculate(napi_env env, napi_callback_info cbinfo, size_t argc, napi_value *argv);
-
-int add(int a, int b);
-CalculateInfo getInfo();
-
-
-#endif //HM4DEMO_CALCULATOR_H
diff --git a/native_lib/src/main/cpp/Calculate.h b/native_lib/src/main/cpp/library.h
similarity index 100%
rename from native_lib/src/main/cpp/Calculate.h
rename to native_lib/src/main/cpp/library.h
diff --git a/native_lib/src/main/cpp/napi_init.cpp b/native_lib/src/main/cpp/napi_init.cpp
index 5adab4d..517aeff 100644
--- a/native_lib/src/main/cpp/napi_init.cpp
+++ b/native_lib/src/main/cpp/napi_init.cpp
@@ -1,40 +1,38 @@
 #include "napi/native_api.h"
-#include "Calculator.h"
+#include "CalculateAdaptor.h"
+#include "js_native_api.h"
 
-static napi_value Add(napi_env env, napi_callback_info info)
-{
-    size_t requireArgc = 2;
-    size_t argc = 2;
-    napi_value args[2] = {nullptr};
-
-    napi_get_cb_info(env, info, &argc, args , nullptr, nullptr);
-
-    napi_valuetype valuetype0;
-    napi_typeof(env, args[0], &valuetype0);
-
-    napi_valuetype valuetype1;
-    napi_typeof(env, args[1], &valuetype1);
-
-    double value0;
-    napi_get_value_double(env, args[0], &value0);
-
-    double value1;
-    napi_get_value_double(env, args[1], &value1);
-
-    napi_value sum;
-    napi_create_double(env, value0 + value1, &sum);
-
-    return sum;
+napi_value JS_Constructor(napi_env env, napi_callback_info info) {
+    napi_value thisVar = nullptr;
+    void *data = nullptr;
+    napi_get_cb_info(env, info, nullptr, nullptr, &thisVar, &data);
+    CalculateAdaptor *adaptor = new CalculateAdaptor(env, thisVar);
+    napi_wrap(
+        env, thisVar, adaptor,
+        [](napi_env env, void *data, void *hint) {
+            CalculateAdaptor *ada = (CalculateAdaptor *)data;
+            delete ada;
+        },
+        nullptr, nullptr);
 
+    return thisVar;
 }
 
 EXTERN_C_START
+
+
 napi_value Init(napi_env env, napi_value exports)
 {
-    napi_property_descriptor desc[] = {{"add", nullptr, Calculator::add, nullptr, nullptr, nullptr, napi_default, nullptr},
-                                       {"getInfo", nullptr, GetInfo, nullptr, nullptr, nullptr, napi_default, nullptr},
-    {"getInstance", nullptr, GetInstance, nullptr, nullptr, nullptr, napi_default, nullptr}};
+    const char className[] = "CalculateAdaptor";
+    napi_property_descriptor desc[] = {{"add", nullptr, calculate_add, nullptr, nullptr, nullptr, napi_default, nullptr},
+                                       {"getInfo", nullptr, calculate_getInfo, nullptr, nullptr, nullptr, napi_default, nullptr}};
     napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc);
+
+    napi_value result = nullptr;
+    napi_define_class(env, className, sizeof(className), JS_Constructor, nullptr,
+                      sizeof(desc) / sizeof(desc[0]), desc, &result);
+
+    napi_set_named_property(env, exports, "CalculateAdaptor", result);
     return exports;
 }
 EXTERN_C_END
diff --git a/native_lib/src/main/cpp/types/libnatvie_lib/index.d.ts b/native_lib/src/main/cpp/types/libnatvie_lib/index.d.ts
index 97e3bea..9d65f68 100644
--- a/native_lib/src/main/cpp/types/libnatvie_lib/index.d.ts
+++ b/native_lib/src/main/cpp/types/libnatvie_lib/index.d.ts
@@ -1,5 +1,4 @@
-export class Calculate {
+export class CalculateAdapter {
   add(a: number, b: number): number;
-  static getInstance(): Calculate;
   getInfo(): Object;
 }
\ No newline at end of file
diff --git a/native_lib/src/main/cpp/types/libnatvie_lib/oh-package.json5 b/native_lib/src/main/cpp/types/libnatvie_lib/oh-package.json5
index d954df2..7e8247b 100644
--- a/native_lib/src/main/cpp/types/libnatvie_lib/oh-package.json5
+++ b/native_lib/src/main/cpp/types/libnatvie_lib/oh-package.json5
@@ -1,5 +1,5 @@
 {
-  "name": "native_lib_lib.so",
+  "name": "native_lib.so",
   "types": "./index.d.ts",
   "version": "",
   "description": "Please describe the basic information."
diff --git a/native_lib/src/main/ets/CalculateDefine.ets b/native_lib/src/main/ets/CalculateDefine.ets
new file mode 100644
index 0000000..252979e
--- /dev/null
+++ b/native_lib/src/main/ets/CalculateDefine.ets
@@ -0,0 +1,6 @@
+
+export interface CalculateInfo {
+  name: string;
+  versionName: string;
+  versionCode: number;
+}
\ No newline at end of file
diff --git a/native_lib/src/main/ets/Calculator.ets b/native_lib/src/main/ets/Calculator.ets
new file mode 100644
index 0000000..b9970f5
--- /dev/null
+++ b/native_lib/src/main/ets/Calculator.ets
@@ -0,0 +1,20 @@
+import { CalculateAdapter } from 'native_lib.so'
+import { CalculateInfo } from './CalculateDefine'
+
+export class Calculator {
+
+  private adaptor!:CalculateAdapter;
+
+  constructor() {
+    this.adaptor = new CalculateAdapter();
+  }
+
+  add(a:number, b: number): number {
+    return this.adaptor.add(a, b);
+  }
+
+  getInfo(): CalculateInfo {
+    return this.adaptor.getInfo() as CalculateInfo;
+  }
+
+}
\ No newline at end of file
diff --git a/native_lib/src/main/ets/utils/Calc.ets b/native_lib/src/main/ets/utils/Calc.ets
deleted file mode 100644
index f961c14..0000000
--- a/native_lib/src/main/ets/utils/Calc.ets
+++ /dev/null
@@ -1,8 +0,0 @@
-import { Calculate } from 'libnatvie_lib.so';
-
-export class Calculator {
-
-    static add(a: number, b:number) : number {
-        return Calculate.add(a, b);
-    }
-}
\ No newline at end of file