diff --git a/CHANGELOG.md b/CHANGELOG.md
index 96673e2..96c96ee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 3.2.0-rc.7
+- Successful callback returns httpCode
+- Fix bug: Network error code httpCode returns no data
+- Fix bug: Height adaptation leads to fixed component height
+
 ## 3.2.0-rc.6
 - Support LogUtil to turn off log
 - Support set network request readTimeout and connectTimeout through ImageKnifeOption
diff --git a/entry/src/main/ets/pages/TestImageKnifeCallbackPage.ets b/entry/src/main/ets/pages/TestImageKnifeCallbackPage.ets
index 6b4f320..06f39ba 100644
--- a/entry/src/main/ets/pages/TestImageKnifeCallbackPage.ets
+++ b/entry/src/main/ets/pages/TestImageKnifeCallbackPage.ets
@@ -350,6 +350,7 @@ struct TestImageKnifeCallbackPage {
       this.imageHeight = data.imageHeight;
       this.imageSize = data.bufSize;
       this.frameNum = data.frameCount;
+      this.httpCode = data.httpCode
       this.decodeSize = JSON.stringify(data.decodeImages);
       this.imageType = data.type;
       this.reqEndTime = this.formatDate(data.timeInfo?.requestEndTime);
@@ -367,7 +368,7 @@ struct TestImageKnifeCallbackPage {
       this.errMsg = res;
       this.errPhase = data.errorInfo?.phase;
       this.errCode = data.errorInfo?.code;
-      this.httpCode = data.errorInfo?.httpCode;
+      this.httpCode = data.httpCode;
       this.reqEndTime = this.formatDate(data.timeInfo?.requestEndTime);
       this.diskStartTime = this.formatDate(data.timeInfo?.diskCheckStartTime);
       this.diskEndTime = this.formatDate(data.timeInfo?.diskCheckEndTime);
diff --git a/library/oh-package.json5 b/library/oh-package.json5
index b1c00f6..3694c6a 100644
--- a/library/oh-package.json5
+++ b/library/oh-package.json5
@@ -14,7 +14,7 @@
   "main": "index.ets",
   "repository": "https://gitee.com/openharmony-tpc/ImageKnife",
   "type": "module",
-  "version": "3.2.0-rc.6",
+  "version": "3.2.0-rc.7",
   "dependencies": {
     "@ohos/gpu_transform": "^1.0.2"
   },
diff --git a/library/src/main/ets/ImageKnifeLoader.ets b/library/src/main/ets/ImageKnifeLoader.ets
index f85d655..c6135ba 100644
--- a/library/src/main/ets/ImageKnifeLoader.ets
+++ b/library/src/main/ets/ImageKnifeLoader.ets
@@ -101,17 +101,13 @@ export class ImageKnifeLoader {
     emitter.emit(Constants.CALLBACK_EMITTER + request.memoryKey, { data: { 'value': res } })
   }
 
-  static assembleError(data: ImageKnifeData | undefined, phase: string, code?: number,
-    httpCode?: number): ImageKnifeData | undefined {
+  static assembleError(data: ImageKnifeData | undefined, phase: string, code?: number): ImageKnifeData | undefined {
     let errorCallBackData = data?.errorInfo;
     if (!errorCallBackData) {
       return data;
     }
     errorCallBackData.phase = phase;
     errorCallBackData.code = code? code: 0;
-    if (httpCode && httpCode != 0) {
-      errorCallBackData.httpCode = httpCode;
-    }
     return data
   }
 
@@ -533,19 +529,21 @@ export class ImageKnifeLoader {
             });
 
             promise.then((data: number) => {
-              ImageKnifeLoader.assembleError(callBackData,LoadPhase.PHASE_NET, undefined, data)
+              callBackData.httpCode = data
+              ImageKnifeLoader.assembleError(callBackData,LoadPhase.PHASE_NET, undefined)
               callBackTimeInfo.netRequestEndTime = Date.now();
               if (data == 200 || data == 206 || data == 204) {
                 resBuf = combineArrayBuffers(arrayBuffers)
                 ImageKnifeLoader.FileCacheParseImage(request,resBuf,fileKey, callBackData)
               } else {
                 loadError = 'HttpDownloadClient has error, http code =' + JSON.stringify(data)
-                ImageKnifeLoader.makeEmptyResult(request,loadError, ImageKnifeLoader.assembleError(callBackData,LoadPhase.PHASE_NET, LoadPixelMapCode.IMAGE_HTTPS_LOAD_FAILED_CODE, data))
+                ImageKnifeLoader.makeEmptyResult(request,loadError, ImageKnifeLoader.assembleError(callBackData,LoadPhase.PHASE_NET, LoadPixelMapCode.IMAGE_HTTPS_LOAD_FAILED_CODE))
               }
-            }).catch((err: Error) => {
+            }).catch((err: BusinessError) => {
+              callBackData.httpCode = err.code
               loadError = 'HttpDownloadClient download ERROR : err = ' + JSON.stringify(err)
               callBackTimeInfo.netRequestEndTime = Date.now();
-              ImageKnifeLoader.makeEmptyResult(request,loadError, ImageKnifeLoader.assembleError(callBackData,LoadPhase.PHASE_NET, LoadPixelMapCode.IMAGE_HTTPS_LOAD_FAILED_CODE, undefined))
+              ImageKnifeLoader.makeEmptyResult(request,loadError, ImageKnifeLoader.assembleError(callBackData,LoadPhase.PHASE_NET, LoadPixelMapCode.IMAGE_HTTPS_LOAD_FAILED_CODE))
             });
             LogUtil.log('HttpDownloadClient.end:' + request.componentId + ',srcType:' + request.requestSource + ',' + request.componentVersion)
             return
diff --git a/library/src/main/ets/components/ImageKnifeComponent.ets b/library/src/main/ets/components/ImageKnifeComponent.ets
index 5387d82..2cad1ea 100644
--- a/library/src/main/ets/components/ImageKnifeComponent.ets
+++ b/library/src/main/ets/components/ImageKnifeComponent.ets
@@ -27,7 +27,7 @@ export struct ImageKnifeComponent {
   @State pixelMap: PixelMap | string | ImageContent | undefined = ImageContent.EMPTY
   @State syncLoad: boolean = false
   @State adaptiveWidth: Length = '100%'
-  @State adaptiveHeight: Length = '100%'
+  @State adaptiveHeight: Length | undefined = '100%'
   @State objectFit: ImageFit = ImageFit.Contain
   private request: ImageKnifeRequest | undefined
   private lastWidth: number = 0
@@ -39,7 +39,7 @@ export struct ImageKnifeComponent {
   private currentContext: common.UIAbilityContext | undefined = undefined
 
   aboutToAppear(): void {
-    this.objectFit = this.imageKnifeOption.objectFit === undefined ? ImageFit.Contain : this.imageKnifeOption.objectFit
+    this.objectFit = (this.imageKnifeOption.objectFit === undefined || this.imageKnifeOption.objectFit === ImageFit.Auto) ? ImageFit.Contain : this.imageKnifeOption.objectFit
 
     if(this.syncLoad) { //针对部分消息列表最新消息的图片闪动问题，建议使用同步方式在aboutToAppear时加载图片
       let engineKey: IEngineKey = new DefaultEngineKey();
@@ -155,11 +155,9 @@ export struct ImageKnifeComponent {
           LogUtil.info('image load showPixelMap:' + this.request?.componentId + ',srcType:' + requestSource +
             ',version:' + this.request?.componentVersion +
             ',size:' + JSON.stringify(size))
-          if (typeof this.pixelMap !== 'string') {
-            if (this.imageKnifeOption.objectFit === ImageFit.Auto && this.isImageFitAutoResize == false) {
-              this.adaptiveHeight = this.currentWidth * size.height / size.width
-              this.isImageFitAutoResize = true
-            }
+          if (this.imageKnifeOption.objectFit === ImageFit.Auto && this.isImageFitAutoResize == false && requestSource == ImageKnifeRequestSource.SRC) {
+            this.adaptiveHeight = undefined
+            this.isImageFitAutoResize = true
           }
 
           if (requestSource == ImageKnifeRequestSource.SRC) {
diff --git a/library/src/main/ets/model/ImageKnifeData.ets b/library/src/main/ets/model/ImageKnifeData.ets
index 93b1e17..91268e6 100644
--- a/library/src/main/ets/model/ImageKnifeData.ets
+++ b/library/src/main/ets/model/ImageKnifeData.ets
@@ -26,6 +26,7 @@ export interface ImageKnifeData {
   imageHeight: number,
   bufSize?: number, // 图片的字节数
   type?:string,
+  httpCode?: number, // 网络请求状态码及错误码
   imageAnimator?: Array<ImageFrameInfo>
   frameCount ?: number // 帧
   decodeImages?: Array<DecodeImageInfo> //Image组件或者ImageAnimator组件可以加载一张或者多张
@@ -48,7 +49,6 @@ export interface DecodeImageInfo {
 export interface ErrorInfo {
   phase: string, //图片加载阶段信息，如：网络加载阶段，缓存获取阶段及其解码阶段等
   code: number,
-  httpCode?: number
 }
 
 /**