diff --git a/src/main/java/pw/yumc/YumCore/commands/CommandInfo.java b/src/main/java/pw/yumc/YumCore/commands/CommandInfo.java
index cdab42e..eceee23 100644
--- a/src/main/java/pw/yumc/YumCore/commands/CommandInfo.java
+++ b/src/main/java/pw/yumc/YumCore/commands/CommandInfo.java
@@ -92,6 +92,9 @@ public class CommandInfo {
 
     @Override
     public boolean equals(final Object obj) {
+        if (this == obj) {
+            return true;
+        }
         if (obj instanceof CommandInfo) {
             return name.equalsIgnoreCase(((CommandInfo) obj).getName());
         }
@@ -157,6 +160,11 @@ public class CommandInfo {
         return sort;
     }
 
+    @Override
+    public int hashCode() {
+        return name.toLowerCase().hashCode() + method.hashCode() + origin.hashCode();
+    }
+
     /**
      * @return 是否为异步命令
      */
diff --git a/src/main/java/pw/yumc/YumCore/commands/TabInfo.java b/src/main/java/pw/yumc/YumCore/commands/TabInfo.java
index 0550188..7e8da3e 100644
--- a/src/main/java/pw/yumc/YumCore/commands/TabInfo.java
+++ b/src/main/java/pw/yumc/YumCore/commands/TabInfo.java
@@ -44,6 +44,9 @@ public class TabInfo {
 
     @Override
     public boolean equals(final Object obj) {
+        if (this == obj) {
+            return true;
+        }
         if (obj instanceof TabInfo) {
             return method.equals(((TabInfo) obj).getMethod());
         }
@@ -76,4 +79,9 @@ public class TabInfo {
     public Method getMethod() {
         return method;
     }
+
+    @Override
+    public int hashCode() {
+        return method.hashCode() + origin.hashCode();
+    }
 }