fix: add error checking

Author: Samarium150

build.gradle.kts

@@ -7,7 +7,7 @@ plugins {
 }
 
 group = "com.github.samarium150"
-version = "1.2"
+version = "1.3"
 
 repositories {
     mavenLocal()

src/main/kotlin/Lolicon.kt

@@ -126,6 +126,10 @@ object Lolicon: CompositeCommand(
                         sendMessage("非法属性")
                         return
                     }
+                    if (setting != 0 || setting != 1 || setting != 2) {
+                        sendMessage("非法属性")
+                        return
+                    }
                     PluginData.customR18Groups[(subject as Group).id] = setting
                     sendMessage("设置成功")
                 }

src/main/kotlin/Main.kt

@@ -26,7 +26,7 @@ import net.mamoe.mirai.utils.info
 object Main: KotlinPlugin(
     JvmPluginDescription(
         id = "com.github.samarium150.mirai-console-lolicon",
-        version = "1.2",
+        version = "1.3",
         name = "mirai-console-lolicon"
     )
 ) {