diff --git a/Interfaces.kt b/Interfaces.kt
index 8b006ee..fdd268e 100644
--- a/Interfaces.kt
+++ b/Interfaces.kt
@@ -9,7 +9,7 @@ abstract class Character {
     abstract val id: Int
     abstract val deck: Deck
 
-    var life: Int by Delegates.observable(20) {_, old, new ->
+    var life: Int by Delegates.observable(0) {_, old, new ->
         val diff = abs(old-new)
         if (new < old) {
             println("${this.name} 受到 $diff 點傷害")