修复安装systemd服务且未提供Discord令牌时出现的空指针

build.gradle.kts

@@ -13,7 +13,7 @@ plugins {
 }
 
 group = "xyz.thewhitedog9487"
-version = "0.8.1"
+version = "0.8.2"
 
 java {
     toolchain {

src/main/kotlin/xyz/thewhitedog9487/WebAPI/Configuration/OpenApiConfiguration.kt

@@ -21,7 +21,7 @@ class OpenApiConfiguration {
                         .contact(Contact()
                                 .name("TheWhiteDog9487")
                                 .url("https://www.github.com/TheWhiteDog9487/WebAPI"))
-                        .version("0.8.1")
+                        .version("0.8.2")
                         .license(License()
                                 .name("WTFPL")
                                 .url("https://spdx.org/licenses/WTFPL")) )

src/main/kotlin/xyz/thewhitedog9487/WebAPI/Startup/SystemdInstallerManager.kt

@@ -63,7 +63,7 @@ fun ProcessArguments(CommandLineArguments: Array<String>) {
             val DiscordBotToken = if ("--Discord_Bot_Token" in CommandLineArguments &&
                 CommandLineArguments.getOrNull(CommandLineArguments.indexOf("--Discord_Bot_Token") + 1) != null ){
                 CommandLineArguments[CommandLineArguments.indexOf("--Discord_Bot_Token") + 1] }
-                            else System.getenv("Discord_Bot_Token")
+                            else System.getenv().getOrDefault("Discord_Bot_Token", "")
             if (DiscordBotToken.isEmpty()) {
                 Logger.error { "必须通过--Discord_Bot_Token参数或Discord_Bot_Token环境变量提供Discord机器人的令牌以使本程序正常工作。" }
                 throw IllegalArgumentException("缺少必须的--Discord_Bot_Token参数") }