21

server/MiAssessment/src/MiAssessment.Api/Dockerfile

@@ -39,4 +39,11 @@ RUN dotnet publish MiAssessment.Api.csproj -c $BUILD_CONFIGURATION -o /app/publi
 FROM base AS final
 WORKDIR /app
 COPY --from=publish /app/publish .
+
+# 创建 PDF 输出目录和静态图片目录，并赋予写入权限
+USER root
+RUN mkdir -p /app/wwwroot/reports /app/wwwroot/images/report \
+    && chown -R $APP_UID:$APP_UID /app/wwwroot/reports /app/wwwroot/images/report
+USER $APP_UID
+
 ENTRYPOINT ["dotnet", "MiAssessment.Api.dll"]

server/MiAssessment/src/MiAssessment.Core/Services/PdfGenerationService.cs

@@ -205,7 +205,9 @@ public class PdfGenerationService : IPdfGenerationService
             return null;
         }
 
-        var imagePath = Path.Combine("wwwroot", "images", "static-pages", config.ImageUrl);
+        // 去掉前导斜杠，避免 Path.Combine 在 Linux 上将其视为绝对路径
+        var relativePath = config.ImageUrl.TrimStart('/');
+        var imagePath = Path.Combine("wwwroot", relativePath);
         if (!File.Exists(imagePath))
         {
             _logger.LogWarning("静态图片文件不存在，跳过页面: {PageName}，路径: {ImagePath}",