diff --git a/src/api/system/file/index.ts b/src/api/system/file/index.ts
index 38bdd42..2411108 100644
--- a/src/api/system/file/index.ts
+++ b/src/api/system/file/index.ts
@@ -63,22 +63,37 @@ export async function uploadFileByPath(filePath: string) {
       return
     }
 
+    const tenantId = Taro.getStorageSync('TenantId') || TenantId
+
+    const header: Record<string, string> = {
+      'content-type': 'application/json',
+      TenantId: String(tenantId)
+    }
+
     // 统一走同一个上传接口：既支持图片，也支持文档等文件（由后端决定白名单/大小限制）
     Taro.uploadFile({
       url: 'https://server.websoft.top/api/oss/upload',
       filePath,
       name: 'file',
-      header: {
-        'content-type': 'application/json',
-        TenantId
-      },
+      header,
       success: (res) => {
         try {
-          const data = JSON.parse(res.data);
+          if ((res as any)?.statusCode && (res as any).statusCode !== 200) {
+            reject(new Error(`上传失败（HTTP ${(res as any).statusCode}）`))
+            return
+          }
+          const raw = (res as any)?.data
+          const data = typeof raw === 'string' ? JSON.parse(raw) : raw
           if (data.code === 0) {
             resolve(data.data)
           } else {
-            reject(new Error(data.message || '上传失败'))
+            let msg = String(data.message || '上传失败')
+            try {
+              msg = decodeURIComponent(escape(msg))
+            } catch (_e) {
+              // ignore
+            }
+            reject(new Error(msg || '上传失败'))
           }
         } catch (_error) {
           reject(new Error('解析响应数据失败'))
diff --git a/src/credit/order/add.tsx b/src/credit/order/add.tsx
index 1c28cd8..a55fd2e 100644
--- a/src/credit/order/add.tsx
+++ b/src/credit/order/add.tsx
@@ -108,7 +108,7 @@ export default function CreditOrderAddPage() {
       Taro.showToast({ title: '上传成功', icon: 'success' })
     } catch (e) {
       console.error('上传图片失败:', e)
-      Taro.showToast({ title: '上传失败，请重试', icon: 'none' })
+      Taro.showToast({ title: String((e as any)?.message || '上传失败，请重试'), icon: 'none' })
     } finally {
       setUploading(false)
     }
@@ -151,7 +151,7 @@ export default function CreditOrderAddPage() {
       Taro.showToast({ title: '上传成功', icon: 'success' })
     } catch (e) {
       console.error('上传文件失败:', e)
-      Taro.showToast({ title: '上传失败，请重试', icon: 'none' })
+      Taro.showToast({ title: String((e as any)?.message || '上传失败，请重试'), icon: 'none' })
     } finally {
       setUploading(false)
     }