feat: add exception catch

src/main/kotlin/cn/rtast/fancybot/commands/lookup/WikipediaCommand.kt

@@ -34,32 +34,39 @@ class WikipediaCommand : BaseCommand() {
             message.reply(msg)
         }
         val title = args.first()
-        val response = Http.get<WikipediaResponse>(
-            wikipediaAPI,
-            mapOf(
-                "action" to "query",
-                "list" to "search",
-                "srsearch" to title,
-                "format" to "json"
-            )
-        ).query.search.first()
-        val fullUrl = Http.get<PageInfoResponse>(
-            wikipediaAPI,
-            mapOf(
-                "action" to "query",
-                "prop" to "info",
-                "pageids" to response.pageId,
-                "inprop" to "url",
-                "format" to "json"
-            )
-        ).query.pages.values.first().fullUrl
-        val msg = MessageChain.Builder()
-            .addText("标题: ${response.title} 内容片段如下")
-            .addNewLine()
-            .addText(response.snippet.extractPlainTextFromHtml())
-            .addNewLine(2)
-            .addText(fullUrl)
-            .build()
-        message.reply(msg)
+        try {
+            val response = Http.get<WikipediaResponse>(
+                wikipediaAPI,
+                mapOf(
+                    "action" to "query",
+                    "list" to "search",
+                    "srsearch" to title,
+                    "format" to "json"
+                )
+            ).query.search.first()
+            val fullUrl = Http.get<PageInfoResponse>(
+                wikipediaAPI,
+                mapOf(
+                    "action" to "query",
+                    "prop" to "info",
+                    "pageids" to response.pageId,
+                    "inprop" to "url",
+                    "format" to "json"
+                )
+            ).query.pages.values.first().fullUrl
+            val msg = MessageChain.Builder()
+                .addText("标题: ${response.title} 内容片段如下")
+                .addNewLine()
+                .addText(response.snippet.extractPlainTextFromHtml())
+                .addNewLine(2)
+                .addText(fullUrl)
+                .build()
+            message.reply(msg)
+        } catch (_: NoSuchElementException) {
+            val msg = MessageChain.Builder()
+                .addText("没有查询到指定的wiki页面呢 >>> $title")
+                .build()
+            message.reply(msg)
+        }
     }
 }