fix: self nickname

fix: auto download receive image
fix: @member msg report
ver: 3.0.1

manifest.json

@@ -4,7 +4,7 @@
     "name": "LLOneBot",
     "slug": "LLOneBot",
     "description": "LiteLoaderQQNT的OneBotApi",
-    "version": "2.5.0",
+    "version": "3.0.1",
     "thumbnail": "./icon.png",
     "authors": [{
         "name": "linyuchen",