diff --git a/Learn.VideoAnalysis.API/appsettings.json b/Learn.VideoAnalysis.API/appsettings.json
index 0b0817c..c35ce20 100644
--- a/Learn.VideoAnalysis.API/appsettings.json
+++ b/Learn.VideoAnalysis.API/appsettings.json
@@ -22,6 +22,11 @@
         "Token": ""
       }
     },
+    "SimpLetex": {
+      "Host": "https://server.simpletex.cn/api/",
+      "AppSecret": "05ZbPfCFZgTmfd4uIqHHc9pHgYR2V8bk",
+      "AppId": "GH2OXwuxSZEH5W28H61bdSzD"
+    },
     "Redis": {
       "ConnectionString": "127.0.0.1:6379,password=Woshiren123,defaultDatabase=10"
     },
@@ -60,6 +65,14 @@
       "AccessKeySecret": "vRKgmbp1LB05LaGOjh3ZrZxbHSLYLF",
       "EndPoint": "vod.cn-shanghai.aliyuncs.com" //上传节点
     },
+    "AliyunOSS": {
+      "AccessKeyId": "LTAI5tDC6p9h747B7FHbgwkH",
+      "AccessKeySecret": "vRKgmbp1LB05LaGOjh3ZrZxbHSLYLF",
+      "BucketDomain": "https://learn-videoanalysis.oss-cn-chengdu.aliyuncs.com",
+      "Region": "cn-chengdu",
+      "BucketName": "learn-videoanalysis",
+      "EndPoint": "oss-cn-chengdu.aliyuncs.com" //上传节点
+    },
     "OtherDBArr": [
       {
         "ConfigId": 1001, //ResourceBank
diff --git a/VideoAnalysis/Program.cs b/VideoAnalysis/Program.cs
index 5e63fa5..c2d7d42 100644
--- a/VideoAnalysis/Program.cs
+++ b/VideoAnalysis/Program.cs
@@ -118,12 +118,11 @@ namespace Learn.VideoAnalysis
             app.UseMiddleware<BasicAuthMiddleware>("Swagger");
 
             // Configure the HTTP request pipeline.
-            if (app.Environment.IsDevelopment())
-            {
-                app.UseSwagger();
-                app.UseSwaggerUI();
-                app.UseExceptionHandler("/Error");
-            }
+
+            app.UseSwagger();
+            app.UseSwaggerUI();
+            app.UseExceptionHandler("/Error");
+
             //Ìí¼Ówwwroot ¾²Ì¬Ä¿Â¼
             app.UseStaticFiles();
             //Ìí¼Ó ×Ô¶¨Òå ¾²Ì¬Ä¿Â¼
diff --git a/VideoAnalysisCore/Controllers/LJZK_Controller.cs b/VideoAnalysisCore/Controllers/LJZK_Controller.cs
index 6f98939..d469bab 100644
--- a/VideoAnalysisCore/Controllers/LJZK_Controller.cs
+++ b/VideoAnalysisCore/Controllers/LJZK_Controller.cs
@@ -68,7 +68,9 @@ namespace VideoAnalysisCore.Controllers
             var videoIdArr = videoTaskDB.AsQueryable().Select(v => v.TagId).Distinct().ToArray();
             foreach (var sGroup in reqArr.GroupBy(s=>s.ContentId))
             {
-                var  s= sGroup.First(s=>s.VideoType==VideoType.ÉãÏñÍ·);
+                var  s= sGroup.FirstOrDefault(s=>s.VideoType==VideoType.ÉãÏñÍ·);
+                if(s is null)
+                    return BadRequest("ÎÞÓÐЧµÄÀÏʦÊÚ¿ÎÊÓƵ");
                 var  sPPT= sGroup.FirstOrDefault(s=>s.VideoType==VideoType.PPT¿Î¼þ);
                 var np = new NodePackageInfo()
                 {