修正config.json路徑

.idea/gradle.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>

src/main/kotlin/Main.kt

@@ -22,7 +22,7 @@ private lateinit var domain: String
 fun main() {
     println("Cloudflare DDNS 更新程式已啟動")
 
-    val confFile = File("config.json")
+    val confFile = File("./config.json")
     if (!confFile.exists()) {
         confFile.createNewFile()