增加命令的错误处理

src/Editor/CommandMachine.ts

@@ -30,7 +30,15 @@ export class CommandMachine
             //命令执行...
             this.m_CommandIng = true;
             app.m_Editor.m_CommandStore.isCmdIng = true;
-            await this.m_CommandList.get(cmdName).exec(ss);
+            try
+            {
+                await this.m_CommandList.get(cmdName).exec(ss);
+            }
+            catch (error)
+            {
+                app.m_Editor.m_CommandStore.Prompt("抱歉,命令造成了错误,请联系开发人员.");
+                console.error(error);
+            }
             this.CommandEnd(cmdName);
         }
         else