1、系统菜单调整；

2、系统看板UI调整；
3、事故事件功能
4、其他

SGGL/WebAPI/Areas/HelpPage/SampleGeneration/InvalidSample.cs

@@ -0,0 +1,37 @@
+using System;
+
+namespace WebAPI.Areas.HelpPage
+{
+    /// <summary>
+    /// This represents an invalid sample on the help page. There's a display template named InvalidSample associated with this class.
+    /// </summary>
+    public class InvalidSample
+    {
+        public InvalidSample(string errorMessage)
+        {
+            if (errorMessage == null)
+            {
+                throw new ArgumentNullException("errorMessage");
+            }
+            ErrorMessage = errorMessage;
+        }
+
+        public string ErrorMessage { get; private set; }
+
+        public override bool Equals(object obj)
+        {
+            InvalidSample other = obj as InvalidSample;
+            return other != null && ErrorMessage == other.ErrorMessage;
+        }
+
+        public override int GetHashCode()
+        {
+            return ErrorMessage.GetHashCode();
+        }
+
+        public override string ToString()
+        {
+            return ErrorMessage;
+        }
+    }
+}