相关bug调整

SimpleAdmin.Application/Services/Onboarding/EntryConfig/OnboardingEntryConfigService.cs

@@ -142,6 +142,24 @@ public class OnboardingEntryConfigService : IOnboardingEntryConfigService
             throw Oops.Bah("资料名称不能为空");
         if (input.MaxFileCount <= 0)
             throw Oops.Bah("最大文件数量必须大于0");
+        if (input.MaxFileSizeMb.HasValue && (input.MaxFileSizeMb.Value <= 0 || input.MaxFileSizeMb.Value > 20))
+            throw Oops.Bah("单个文件大小必须设置在1至20MB之间");
+
+        var supportedExtensions = new HashSet<string>(StringComparer.OrdinalIgnoreCase)
+        {
+            "png", "jpg", "jpeg", "gif", "bmp", "webp", "pdf"
+        };
+        var allowedExtensions = (input.AllowedExtensions ?? string.Empty)
+            .Split(',', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries)
+            .Select(item => item.TrimStart('.').ToLowerInvariant())
+            .Distinct(StringComparer.OrdinalIgnoreCase)
+            .ToList();
+        if (allowedExtensions.Count == 0)
+            allowedExtensions.AddRange(new[] { "png", "jpg", "jpeg", "pdf" });
+        var unsupportedExtensions = allowedExtensions.Where(item => !supportedExtensions.Contains(item)).ToList();
+        if (unsupportedExtensions.Count > 0)
+            throw Oops.Bah($"不支持的材料扩展名：{string.Join("、", unsupportedExtensions)}，仅允许图片或PDF文件");
+        input.AllowedExtensions = string.Join(",", allowedExtensions);
 
         var materialCodeExists = await _db.Queryable<ObMaterialType>()
             .AnyAsync(x => x.MaterialCode == input.MaterialCode && x.Id != input.Id);