diff --git a/multimedia/image/image_js_standard/imageReceiver/src/main/js/test/receiver.test.js b/multimedia/image/image_js_standard/imageReceiver/src/main/js/test/receiver.test.js
index 58b2acb14df8b674fc19061f824bcb58e2fa92ad..e2032fd46ae46c7092af51246b1cc1a10de80f79 100644
--- a/multimedia/image/image_js_standard/imageReceiver/src/main/js/test/receiver.test.js
+++ b/multimedia/image/image_js_standard/imageReceiver/src/main/js/test/receiver.test.js
@@ -17,8 +17,6 @@ import { describe, beforeAll, beforeEach, afterEach, afterAll, it, expect } from
 
 export default function ImageReceiver() {
     describe("ImageReceiver", function () {
-        let globalreceiver;
-        let globalImg;
         const WIDTH = 8192;
         const HEIGHT = 8;
         const CAPACITY = 8;
@@ -36,22 +34,6 @@ export default function ImageReceiver() {
         });
 
         afterEach(async function () {
-            if (globalImg != undefined) {
-                console.info("globalImg release start");
-                try {
-                    await globalImg.release();
-                } catch (error) {
-                    console.info("globalImg release fail");
-                }
-            }
-            if (globalreceiver != undefined) {
-                console.info("globalreceiver release start");
-                try {
-                    await globalreceiver.release();
-                } catch (error) {
-                    console.info("globalreceiver release fail");
-                }
-            }
             console.info("afterEach case");
         });
 
@@ -89,7 +71,6 @@ export default function ImageReceiver() {
                 done();
                 return;
             } else {
-                globalreceiver = receiver;
                 var error = receiver.checkDeviceTest;
                 if (DEVICE_CODE == error) {
                     expect(error == DEVICE_CODE).assertTrue();
@@ -107,7 +88,6 @@ export default function ImageReceiver() {
                             done();
                             return;
                         } else {
-                            globalImg = img;
                             expect(img.size.width == WIDTH).assertTrue();
                             expect(img.size.height == HEIGHT).assertTrue();
                             console.log(`${testNum} img.format: ${img.format}`)
@@ -142,7 +122,6 @@ export default function ImageReceiver() {
                 done();
                 return;
             } else {
-                globalreceiver = receiver;
                 var error = receiver.checkDeviceTest;
                 if (DEVICE_CODE == error) {
                     expect(error == DEVICE_CODE).assertTrue();
@@ -160,7 +139,6 @@ export default function ImageReceiver() {
                             done();
                             return;
                         } else {
-                            globalImg = img;
                             expect(img.size.width == WIDTH).assertTrue();
                             expect(img.size.height == HEIGHT).assertTrue();
                             console.log(`${testNum} img.format: ${img.format}`)
@@ -195,7 +173,6 @@ export default function ImageReceiver() {
                 expect(false).assertTrue();
                 return;
             }
-            globalreceiver = receiver;
             var error = receiver.checkDeviceTest;
             if (DEVICE_CODE == error) {
                 expect(error == DEVICE_CODE).assertTrue();
@@ -213,7 +190,6 @@ export default function ImageReceiver() {
                         done();
                         return;
                     } else {
-                        globalImg = img;
                         expect(img.size.width == WIDTH).assertTrue();
                         expect(img.size.height == HEIGHT).assertTrue();
                         checkFormat(img.format);
@@ -255,7 +231,6 @@ export default function ImageReceiver() {
                 done();
                 return;
             }
-            globalreceiver = receiver;
             var error = receiver.checkDeviceTest;
             if (DEVICE_CODE == error) {
                 expect(error == DEVICE_CODE).assertTrue();
@@ -273,7 +248,6 @@ export default function ImageReceiver() {
                         done();
                         return;
                     } else {
-                        globalImg = img;
                         expect(img.size.width == WIDTH).assertTrue();
                         expect(img.size.height == HEIGHT).assertTrue();
                         checkFormat(img.format);
@@ -311,7 +285,6 @@ export default function ImageReceiver() {
                 done();
                 return;
             } else {
-                globalreceiver = receiver;
                 try {
                     var error = receiver.checkDeviceTest;
                     if (DEVICE_CODE == error) {
@@ -354,7 +327,6 @@ export default function ImageReceiver() {
                 done();
                 return;
             } else {
-                globalreceiver = receiver;
                 expect(receiver.size.width == WIDTH).assertTrue();
                 expect(receiver.size.height == HEIGHT).assertTrue();
                 expect(receiver.capacity == CAPACITY).assertTrue();
@@ -571,7 +543,6 @@ export default function ImageReceiver() {
                 done();
                 return;
             } else {
-                globalreceiver = receiver;
                 expect(receiver.size.width == WIDTH).assertTrue();
                 expect(receiver.size.height == HEIGHT).assertTrue();
                 expect(receiver.capacity == CAPACITY).assertTrue();
@@ -594,7 +565,6 @@ export default function ImageReceiver() {
         it("SUB_GRAPHIC_IMAGE_RECEIVER_GETRECEIVINGSURFACEID_PROMISE_0100", 0, async function (done) {
             var receiver = image.createImageReceiver(WIDTH, HEIGHT, FORMATJPEG, CAPACITY);
             if (receiver != undefined) {
-                globalreceiver = receiver;
                 receiver
                     .getReceivingSurfaceId()
                     .then((id) => {
@@ -633,7 +603,6 @@ export default function ImageReceiver() {
         it("SUB_GRAPHIC_IMAGE_RECEIVER_GETRECEIVINGSURFACEID_CALLBACK_0100", 0, async function (done) {
             var receiver = image.createImageReceiver(WIDTH, HEIGHT, FORMATJPEG, CAPACITY);
             if (receiver != undefined) {
-                globalreceiver = receiver;
                 receiver.getReceivingSurfaceId((err, id) => {
                     console.info(
                         "SUB_GRAPHIC_IMAGE_RECEIVER_GETRECEIVINGSURFACEID_CALLBACK_0100 getReceivingSurfaceId call back [" +
@@ -664,7 +633,6 @@ export default function ImageReceiver() {
         it("SUB_GRAPHIC_IMAGE_RECEIVER_RELEASE_PROMISE_0100", 0, async function (done) {
             var receiver = image.createImageReceiver(WIDTH, HEIGHT, FORMATJPEG, CAPACITY);
             if (receiver != undefined) {
-                globalreceiver = receiver;
                 receiver
                     .release()
                     .then(() => {
@@ -698,7 +666,6 @@ export default function ImageReceiver() {
         it("SUB_GRAPHIC_IMAGE_RECEIVER_RELEASE_CALLBACK_0100", 0, async function (done) {
             var receiver = image.createImageReceiver(WIDTH, HEIGHT, FORMATJPEG, CAPACITY);
             if (receiver != undefined) {
-                globalreceiver = receiver;
                 receiver.release((err) => {
                     if (err) {
                         expect(false).assertTrue();
@@ -740,11 +707,9 @@ export default function ImageReceiver() {
             }
             var dummy = receiver.test;
             if (receiver != undefined) {
-                globalreceiver = receiver;
                 receiver
                     .readLatestImage()
                     .then((img) => {
-                        globalImg = img;
                         console.info("SUB_GRAPHIC_IMAGE_RECEIVER_READLATESTIMAGE_PROMISE_0100 readLatestImage Success");
                         expect(img != undefined).assertTrue();
                         done();
@@ -784,9 +749,7 @@ export default function ImageReceiver() {
             }
             var dummy = receiver.test;
             if (receiver != undefined) {
-                globalreceiver = receiver;
                 receiver.readLatestImage((err, img) => {
-                    globalImg = img;
                     console.info(
                         "SUB_GRAPHIC_IMAGE_RECEIVER_READLATESTIMAGE_CALLBACK_0100 readLatestImage call back Success"
                     );
@@ -823,11 +786,9 @@ export default function ImageReceiver() {
             var dummy = receiver.test;
             expect(receiver != undefined).assertTrue();
             if (receiver != undefined) {
-                globalreceiver = receiver;
                 receiver
                     .readNextImage()
                     .then((img) => {
-                        globalImg = img;
                         console.info("SUB_GRAPHIC_IMAGE_RECEIVER_READNEXTIMAGE_PROMISE_0100 readNextImage Success");
                         expect(img != undefined).assertTrue();
                         done();
@@ -867,14 +828,12 @@ export default function ImageReceiver() {
             }
             var dummy = receiver.test;
             if (receiver != undefined) {
-                globalreceiver = receiver;
                 receiver.readNextImage((err, img) => {
                     if (err) {
                         expect(false).assertTrue();
                         done();
                         return;
                     } else {
-                        globalImg = img;
                         console.info(
                             "SUB_GRAPHIC_IMAGE_RECEIVER_READNEXTIMAGE_CALLBACK_0100 readNextImage call back Success"
                         );
@@ -965,7 +924,6 @@ export default function ImageReceiver() {
                 done();
                 return;
             } else {
-                globalreceiver = receiver;
                 var error = receiver.checkDeviceTest;
                 if (DEVICE_CODE == error) {
                     expect(error == DEVICE_CODE).assertTrue();
@@ -1012,7 +970,6 @@ export default function ImageReceiver() {
                 done();
                 return;
             }
-            globalreceiver = receiver;
             var error = receiver.checkDeviceTest;
             if (DEVICE_CODE == error) {
                 expect(error == DEVICE_CODE).assertTrue();
@@ -1033,7 +990,6 @@ export default function ImageReceiver() {
                         done();
                         return;
                     } else {
-                        globalImg = img;
                         expect(img.size.width == WIDTH).assertTrue();
                         expect(img.size.height == HEIGHT).assertTrue();
                         expect(img.format == RGBA).assertTrue();
@@ -1083,7 +1039,6 @@ export default function ImageReceiver() {
                 done();
                 return;
             }
-            globalreceiver = receiver;
             var error = receiver.checkDeviceTest;
             if (DEVICE_CODE == error) {
                 expect(error == DEVICE_CODE).assertTrue();
@@ -1100,7 +1055,6 @@ export default function ImageReceiver() {
                     done();
                     return;
                 }
-                globalImg = img;
                 expect(img.size.width == WIDTH).assertTrue();
                 expect(img.size.height == HEIGHT).assertTrue();
                 expect(img.format == RGBA).assertTrue();