diff --git a/src/main/java/cc/carm/plugin/timereward/data/RewardContents.java b/src/main/java/cc/carm/plugin/timereward/data/RewardContents.java
index 19215cc..cce0d65 100644
--- a/src/main/java/cc/carm/plugin/timereward/data/RewardContents.java
+++ b/src/main/java/cc/carm/plugin/timereward/data/RewardContents.java
@@ -57,7 +57,7 @@ public class RewardContents {
     }
 
     public boolean isTimeEnough(long requireSeconds) {
-        return getTime() >= requireSeconds;
+        return requireSeconds >= getTime();
     }
 
     @Override
diff --git a/src/main/java/cc/carm/plugin/timereward/manager/RewardManager.java b/src/main/java/cc/carm/plugin/timereward/manager/RewardManager.java
index 66b673d..af5c8ae 100644
--- a/src/main/java/cc/carm/plugin/timereward/manager/RewardManager.java
+++ b/src/main/java/cc/carm/plugin/timereward/manager/RewardManager.java
@@ -53,7 +53,7 @@ public class RewardManager {
         for (String rewardID : section.getKeys(false)) {
             ConfigurationSection rewardSection = section.getConfigurationSection(rewardID);
             if (rewardSection == null) continue;
-            long time = rewardSection.getLong("time");
+            long time = rewardSection.getLong("time", -1);
             if (time <= 0) {
                 Main.severe("奖励 " + rewardID + " 的时间配置错误，请检查配置文件。");
                 continue;