diff --git a/src/components/ImageCropper/index.vue b/src/components/ImageCropper/index.vue
index 1044efa..174570c 100644
--- a/src/components/ImageCropper/index.vue
+++ b/src/components/ImageCropper/index.vue
@@ -36,7 +36,7 @@
 </template>
 
 <script setup lang="ts">
-import { ref, reactive, watch, nextTick } from 'vue'
+import { ref, reactive, watch, nextTick, onBeforeUnmount } from 'vue'
 import 'vue-cropper/dist/index.css'
 import { VueCropper } from 'vue-cropper'
 
@@ -54,6 +54,8 @@ const imgLoading = ref(true)
 
 // 平板/低端设备建议较小尺寸，减小处理与上传耗时
 const MAX_IMG_DIMENSION = 1280
+const IMAGE_LOAD_TIMEOUT = 10000
+const CROP_CONFIRM_TIMEOUT = 8000
 
 const option = reactive({
   size: 0.85,
@@ -77,6 +79,20 @@ const option = reactive({
 
 // 用于校验异步过程中 props.img 是否被替换，避免设置过时数据
 let loadToken = 0
+let imageLoadTimer: ReturnType<typeof setTimeout> | null = null
+let cropConfirmTimer: ReturnType<typeof setTimeout> | null = null
+
+function clearImageLoadTimer() {
+  if (!imageLoadTimer) return
+  clearTimeout(imageLoadTimer)
+  imageLoadTimer = null
+}
+
+function clearCropConfirmTimer() {
+  if (!cropConfirmTimer) return
+  clearTimeout(cropConfirmTimer)
+  cropConfirmTimer = null
+}
 
 function readFileAsDataURL(file: Blob | File): Promise<string> {
   return new Promise((resolve, reject) => {
@@ -145,16 +161,29 @@ watch(
   () => props.img,
   async (val: string | Blob | File | undefined) => {
     // 立即清空旧图，避免在异步处理新图时显示上一张图
+    clearImageLoadTimer()
     imgUrl.value = ''
     imgLoading.value = true
-    if (!val) return
+    if (!val) {
+      imgLoading.value = false
+      return
+    }
 
     const myToken = ++loadToken
     try {
       const url = await downscaleImage(val)
       // 防止后来的图片切换被覆盖
       if (myToken !== loadToken) return
+      if (!url) {
+        imgLoading.value = false
+        return
+      }
       imgUrl.value = url
+      imageLoadTimer = setTimeout(() => {
+        if (myToken !== loadToken) return
+        console.warn('cropper image load timeout')
+        imgLoading.value = false
+      }, IMAGE_LOAD_TIMEOUT)
     } catch (e) {
       console.error('cropper image load error', e)
       if (myToken === loadToken) imgLoading.value = false
@@ -165,6 +194,7 @@ watch(
 
 function imgLoad(msg: string) {
   if (msg === 'success') {
+    clearImageLoadTimer()
     imgLoading.value = false
     nextTick(() => {
       if (cropperRef.value) {
@@ -177,7 +207,11 @@ function imgLoad(msg: string) {
         })
       }
     })
+    return
   }
+  clearImageLoadTimer()
+  console.warn('cropper image load failed', msg)
+  imgLoading.value = false
 }
 
 function rotateLeft() {
@@ -189,18 +223,33 @@ function rotateRight() {
 }
 
 function handleCancel() {
+  clearCropConfirmTimer()
+  loading.value = false
   emit('update:visible', false)
   emit('cancel')
 }
 
 function handleConfirm() {
+  if (imgLoading.value || loading.value) return
+  if (!cropperRef.value?.getCropBlob) return
   loading.value = true
-  cropperRef.value.getCropBlob((data: Blob) => {
+  cropConfirmTimer = setTimeout(() => {
+    console.warn('cropper confirm timeout')
     loading.value = false
+  }, CROP_CONFIRM_TIMEOUT)
+  cropperRef.value.getCropBlob((data: Blob) => {
+    clearCropConfirmTimer()
+    loading.value = false
+    if (!data) return
     emit('confirm', data)
     emit('update:visible', false)
   })
 }
+
+onBeforeUnmount(() => {
+  clearImageLoadTimer()
+  clearCropConfirmTimer()
+})
 </script>
 
 <style scoped lang="scss">
diff --git a/src/components/question/answer/Other.vue b/src/components/question/answer/Other.vue
index bcede8f..5d0d932 100644
--- a/src/components/question/answer/Other.vue
+++ b/src/components/question/answer/Other.vue
@@ -23,8 +23,8 @@ const OSS_URL = import.meta.env.VITE_OSS_URL
 const { token } = userStore()
 
 function onUpload(options: any) {
-  return typeof uploadFile === 'function'
-    ? uploadFile({
+  return typeof props.uploadFile === 'function'
+    ? props.uploadFile({
         ...options,
         isAndroid: 0,
       })
diff --git a/src/page/subject/doWork/index.vue b/src/page/subject/doWork/index.vue
index 272e26b..b4f0985 100644
--- a/src/page/subject/doWork/index.vue
+++ b/src/page/subject/doWork/index.vue
@@ -64,6 +64,18 @@ interface WorkQuestion extends IQuestion {
 }
 const paperList = ref<WorkQuestion[]>([])
 const paperInfo = ref<any>({})
+const UPLOAD_TIMEOUT = 30000
+
+function withUploadTimeout<T>(task: Promise<T>, timeout = UPLOAD_TIMEOUT) {
+  let timer: ReturnType<typeof setTimeout> | null = null
+  const timeoutTask = new Promise<T>((_, reject) => {
+    timer = setTimeout(() => reject(new Error('upload timeout')), timeout)
+  })
+  return Promise.race<T>([task, timeoutTask]).finally(() => {
+    if (!timer) return
+    clearTimeout(timer)
+  })
+}
 
 function normalizePaperList(list: unknown, markUnLook = false): WorkQuestion[] {
   if (!Array.isArray(list)) return []
@@ -224,34 +236,40 @@ async function uploadFile(options: anyObj) {
   const currentQuestion = paperList.value[activeIdx.value] as anyObj | undefined
   if (!currentQuestion) return
   const currentTitleId = getQuestionKey(currentQuestion)
+  if (currentQuestion.uploadLoading) {
+    XMessage.error('上传中，请稍后～')
+    return
+  }
   setUploadLoadingByTitleId(currentTitleId, true)
 
   try {
     let path = ''
     if (options.isAndroid) {
       if (options.submitAnswerPicOriginal) {
-        const res = await $XXL.uploadFile({
-          url: `${import.meta.env.VITE_SERVER_URL}/sysFileInfo/tenUploadAll`,
-          header: {
-            Authorization: token,
-            'X-Tenant-Id': sass.platform.tenantId,
-          },
-          filePath: options.file,
-          fileKey: 'file',
-        })
-        path = res.url
+        const res = await withUploadTimeout(
+          $XXL.uploadFile({
+            url: `${import.meta.env.VITE_SERVER_URL}/sysFileInfo/tenUploadAll`,
+            header: {
+              Authorization: token,
+              'X-Tenant-Id': sass.platform.tenantId,
+            },
+            filePath: options.file,
+            fileKey: 'file',
+          }),
+        )
+        path = extractUploadPath(res)
       }
     } else {
       const formData = new FormData()
       formData.append('file', options.file)
-      const { data: res } = await globalApi.uploadFile(formData)
+      const { data: res } = await withUploadTimeout<any>(globalApi.uploadFile(formData))
       path = extractUploadPath(res)
     }
     path = String(path || '')
       .replace(/[`]/g, '')
       .replace(/http:\/\//gi, 'https://')
       .trim()
-    if (!options.isAndroid && !path) {
+    if ((options.submitAnswerPicOriginal || !options.isAndroid) && !path) {
       hud.error('上传成功但未获取到图片地址，请重试')
       return
     }
@@ -291,7 +309,11 @@ async function uploadFile(options: anyObj) {
     }
   } catch (error) {
     console.error('uploadFile error', error)
-    hud.error('网络异常，请检查网络～')
+    hud.error(
+      error instanceof Error && error.message === 'upload timeout'
+        ? '上传超时，请重试～'
+        : '网络异常，请检查网络～',
+    )
   } finally {
     const finalIdx = paperList.value.findIndex(i =>
       isSameQuestionKey(getQuestionKey(i as anyObj), currentTitleId),