提交代码

Mall.WebApi/Controllers/Mall/MallController.cs

@@ -509,7 +509,7 @@ namespace Mall.WebApi.Controllers.MallBase
                         {
                             pic_url = miniProgram.CopyRightImg,
                             description = miniProgram.CopyRightWord,
-                            link_url = miniProgram.CopyRightLink.Trim(),
+                            link_url =!string.IsNullOrWhiteSpace(miniProgram.CopyRightLink) ? miniProgram.CopyRightLink.Trim():"",
                         }
                     }
                 };