diff --git a/AppScope/app.json5 b/AppScope/app.json5
index 72fbafcfb8a50609379cf3e36e53ad3bf951d9e6..2dcab9c694b0d513cd1f5f9b9c0f9634be47c134 100644
--- a/AppScope/app.json5
+++ b/AppScope/app.json5
@@ -3,7 +3,7 @@
     "bundleName": "com.openharmony.xmlgraphicsbatik",
     "vendor": "example",
     "versionCode": 1000000,
-    "versionName": "2.1.1-rc.0",
+    "versionName": "2.1.1-rc.1",
     "icon": "$media:app_icon",
     "label": "$string:app_name",
     "distributedNotificationEnabled": true
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1185a8f4e0787fcf6db60a359de3cc82dd586e84..1b17e6ef39dc7c75b7d8d4171c5de6d5162534aa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## Version 2.1.1-rc.1
+
+- 修改hasOwnProperty的使用问题
+
 ## Version 2.1.1-rc.0
 
 - 修复不兼容API9问题
diff --git a/README.md b/README.md
index 5a6d90bb4e7ece64944cbfd71602ce1c826e1297..25cc1a4798cd3901eaa8a8b9f1fb99f9142f4e98 100644
--- a/README.md
+++ b/README.md
@@ -316,6 +316,8 @@ this.svgManager.parse('svg.svg', (parseXMLResultObj) =>{
 
 在下述版本验证通过：
 
+DevEco Studio: 4.0 (4.0.3.600), SDK: API10 (4.0.10.11)
+
 DevEco Studio: 4.0 (4.0.3.512), SDK: API10 (4.0.10.9)
 
 DevEco Studio: 3.1 Beta2(3.1.0.400), SDK: API9 Release(3.2.11.9)
diff --git a/XmlGraphicsBatik/oh-package.json5 b/XmlGraphicsBatik/oh-package.json5
index e03f36189cc54d807539f48bf19d40b32079a3cc..2be2e6aa434e6e7abbd53fba4ccf49db56632d2a 100644
--- a/XmlGraphicsBatik/oh-package.json5
+++ b/XmlGraphicsBatik/oh-package.json5
@@ -10,7 +10,7 @@
   },
   "main": "index.ets",
   "repository": "https://gitee.com/openharmony-tpc/XmlGraphicsBatik",
-  "version": "2.1.1-rc.0",
+  "version": "2.1.1-rc.1",
   "dependencies": {},
   "tags": [
     "Tool"
diff --git a/XmlGraphicsBatik/src/main/ets/batik/tools/DeleteProperty.ts b/XmlGraphicsBatik/src/main/ets/batik/tools/DeleteProperty.ts
index fb6e2a86261aa835b443fc0697154a183a6859d2..dd62086fea9c4b5f06ce75441241f82f7a71ca26 100644
--- a/XmlGraphicsBatik/src/main/ets/batik/tools/DeleteProperty.ts
+++ b/XmlGraphicsBatik/src/main/ets/batik/tools/DeleteProperty.ts
@@ -12,11 +12,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+export function hasOwn(obj,value){
+  let result=false
+  for (let key in obj) {
+    if (key===value) {
+      result=true
+    }
+  }
+  return result
+}
 export  function deleteProperty(obj, propertyName) {
-  if (obj.hasOwnProperty(propertyName)) {
+  if (hasOwn(obj,propertyName)) {
     delete obj[propertyName];
-    console.log(`Deleted property '${propertyName}' from the object.`);
-  } else {
-    console.log(`Property '${propertyName}' does not exist on the object.`);
   }
 }
\ No newline at end of file
diff --git a/XmlGraphicsBatik/src/main/ets/batik/tools/MakePropertiesImmutable.ts b/XmlGraphicsBatik/src/main/ets/batik/tools/MakePropertiesImmutable.ts
index 7c4a13d15966878f35791e39dd38eb5a90611560..2fb8d13b32ff096713b190ed071a47fa707e632f 100644
--- a/XmlGraphicsBatik/src/main/ets/batik/tools/MakePropertiesImmutable.ts
+++ b/XmlGraphicsBatik/src/main/ets/batik/tools/MakePropertiesImmutable.ts
@@ -12,9 +12,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+import { hasOwn } from './DeleteProperty';
+
 export  function makePropertiesImmutable(obj) {
   for (const key in obj) {
-    if (obj.hasOwnProperty(key)) {
+    if (hasOwn(obj,key)) {
       Object.defineProperty(obj, key, { writable: false });
     }
   }
diff --git a/entry/oh-package.json5 b/entry/oh-package.json5
index d3524c7ce2b05c6048c4202472fa71a8bc1faf8c..3eee22118636bab6eb22ef2a7f113546049878cb 100644
--- a/entry/oh-package.json5
+++ b/entry/oh-package.json5
@@ -4,7 +4,7 @@
   "name": "entry",
   "description": "example description",
   "repository": {},
-  "version": "2.1.1-rc.0",
+  "version": "2.1.1-rc.1",
   "dependencies": {
     "@ohos/XmlGraphicsBatik": "file:../XmlGraphicsBatik"
   }
diff --git a/oh-package.json5 b/oh-package.json5
index e539fe34756a0d4bea5040fa99566bfddd2f28c1..b6ce35fdd5029647aa8ed960cbed53663204491f 100644
--- a/oh-package.json5
+++ b/oh-package.json5
@@ -6,7 +6,7 @@
   "name": "xmlgraphicsbatik",
   "description": "example description",
   "repository": {},
-  "version": "2.1.1-rc.0",
+  "version": "2.1.1-rc.1",
   "dependencies": {
     "@ohos/hypium": "1.0.6"
   }