diff --git a/austin-common/src/main/java/com/java3y/austin/common/enums/AnchorState.java b/austin-common/src/main/java/com/java3y/austin/common/enums/AnchorState.java
index ca4d27e..ff852a0 100644
--- a/austin-common/src/main/java/com/java3y/austin/common/enums/AnchorState.java
+++ b/austin-common/src/main/java/com/java3y/austin/common/enums/AnchorState.java
@@ -29,8 +29,8 @@ public enum AnchorState {
     ;
 
 
-    private Integer code;
-    private String description;
+    private final Integer code;
+    private final String description;
 
     /**
      * 通过code获取描述
diff --git a/austin-common/src/main/java/com/java3y/austin/common/enums/AuditStatus.java b/austin-common/src/main/java/com/java3y/austin/common/enums/AuditStatus.java
index 8001d13..8b0868e 100644
--- a/austin-common/src/main/java/com/java3y/austin/common/enums/AuditStatus.java
+++ b/austin-common/src/main/java/com/java3y/austin/common/enums/AuditStatus.java
@@ -21,8 +21,8 @@ public enum AuditStatus {
     AUDIT_SUCCESS(20, "审核成功"),
     AUDIT_REJECT(30, "被拒绝");
 
-    private Integer code;
-    private String description;
+    private final Integer code;
+    private final String description;
 
 
 }
diff --git a/austin-common/src/main/java/com/java3y/austin/common/enums/ChannelType.java b/austin-common/src/main/java/com/java3y/austin/common/enums/ChannelType.java
index c81882d..e9ea330 100644
--- a/austin-common/src/main/java/com/java3y/austin/common/enums/ChannelType.java
+++ b/austin-common/src/main/java/com/java3y/austin/common/enums/ChannelType.java
@@ -34,29 +34,29 @@ public enum ChannelType {
     /**
      * 编码值
      */
-    private Integer code;
+    private final Integer code;
 
     /**
      * 描述
      */
-    private String description;
+    private final String description;
 
     /**
      * 内容模型Class
      */
-    private Class contentModelClass;
+    private final Class<? extends ContentModel> contentModelClass;
 
     /**
      * 英文标识
      */
-    private String codeEn;
+    private final String codeEn;
 
     /**
      * 通过code获取class
      * @param code
      * @return
      */
-    public static Class getChanelModelClassByCode(Integer code) {
+    public static Class<? extends ContentModel> getChanelModelClassByCode(Integer code) {
         ChannelType[] values = values();
         for (ChannelType value : values) {
             if (value.getCode().equals(code)) {
diff --git a/austin-common/src/main/java/com/java3y/austin/common/enums/DeduplicationType.java b/austin-common/src/main/java/com/java3y/austin/common/enums/DeduplicationType.java
index 3adee2f..6524309 100644
--- a/austin-common/src/main/java/com/java3y/austin/common/enums/DeduplicationType.java
+++ b/austin-common/src/main/java/com/java3y/austin/common/enums/DeduplicationType.java
@@ -19,8 +19,8 @@ public enum DeduplicationType {
     CONTENT(10, "N分钟相同内容去重"),
     FREQUENCY(20, "一天内N次相同渠道去重"),
     ;
-    private Integer code;
-    private String description;
+    private final Integer code;
+    private final String description;
 
 
     /**
diff --git a/austin-common/src/main/java/com/java3y/austin/common/enums/FileType.java b/austin-common/src/main/java/com/java3y/austin/common/enums/FileType.java
index fc95288..c5f994a 100644
--- a/austin-common/src/main/java/com/java3y/austin/common/enums/FileType.java
+++ b/austin-common/src/main/java/com/java3y/austin/common/enums/FileType.java
@@ -19,8 +19,8 @@ public enum FileType {
     COMMON_FILE("30", "file"),
     VIDEO("40", "video"),
     ;
-    private String code;
-    private String name;
+    private final String code;
+    private final String name;
 
     public static String getNameByCode(String code) {
         for (FileType fileType : FileType.values()) {
diff --git a/austin-common/src/main/java/com/java3y/austin/common/enums/IdType.java b/austin-common/src/main/java/com/java3y/austin/common/enums/IdType.java
index f0fd5a2..0799512 100644
--- a/austin-common/src/main/java/com/java3y/austin/common/enums/IdType.java
+++ b/austin-common/src/main/java/com/java3y/austin/common/enums/IdType.java
@@ -25,8 +25,8 @@ public enum IdType {
     FEI_SHU_USER_ID(90, "fei_shu_user_id"),
     ;
 
-    private Integer code;
-    private String description;
+    private final Integer code;
+    private final String description;
 
 
 }
diff --git a/austin-common/src/main/java/com/java3y/austin/common/enums/MessageStatus.java b/austin-common/src/main/java/com/java3y/austin/common/enums/MessageStatus.java
index 5986c36..7930316 100644
--- a/austin-common/src/main/java/com/java3y/austin/common/enums/MessageStatus.java
+++ b/austin-common/src/main/java/com/java3y/austin/common/enums/MessageStatus.java
@@ -24,8 +24,8 @@ public enum MessageStatus {
     SEND_SUCCESS(60, "发送成功"),
     SEND_FAIL(70, "发送失败");
 
-    private Integer code;
-    private String description;
+    private final Integer code;
+    private final String description;
 
 
 }
diff --git a/austin-common/src/main/java/com/java3y/austin/common/enums/MessageType.java b/austin-common/src/main/java/com/java3y/austin/common/enums/MessageType.java
index 9030315..0f24bdc 100644
--- a/austin-common/src/main/java/com/java3y/austin/common/enums/MessageType.java
+++ b/austin-common/src/main/java/com/java3y/austin/common/enums/MessageType.java
@@ -21,18 +21,18 @@ public enum MessageType {
     /**
      * 编码值
      */
-    private Integer code;
+    private final Integer code;
 
     /**
      * 描述
      */
-    private String description;
+    private final String description;
 
 
     /**
      * 英文标识
      */
-    private String codeEn;
+    private final String codeEn;
 
 
     /**
diff --git a/austin-common/src/main/java/com/java3y/austin/common/enums/SendMessageType.java b/austin-common/src/main/java/com/java3y/austin/common/enums/SendMessageType.java
index 7301853..d733662 100644
--- a/austin-common/src/main/java/com/java3y/austin/common/enums/SendMessageType.java
+++ b/austin-common/src/main/java/com/java3y/austin/common/enums/SendMessageType.java
@@ -33,28 +33,28 @@ public enum SendMessageType {
 
     ;
 
-    private String code;
-    private String description;
+    private final String code;
+    private final String description;
 
     /**
      * 钉钉工作消息的类型值
      */
-    private String dingDingRobotType;
+    private final String dingDingRobotType;
 
     /**
      * 钉钉机器人消息的类型值
      */
-    private String dingDingWorkType;
+    private final String dingDingWorkType;
 
     /**
      * 企业微信机器人的类型值
      */
-    private String enterpriseWeChatRobotType;
+    private final String enterpriseWeChatRobotType;
 
     /**
      * 飞书机器人类型值
      */
-    private String feiShuRobotType;
+    private final String feiShuRobotType;
 
 
     /**
diff --git a/austin-common/src/main/java/com/java3y/austin/common/enums/ShieldType.java b/austin-common/src/main/java/com/java3y/austin/common/enums/ShieldType.java
index ea00e3a..e854a69 100644
--- a/austin-common/src/main/java/com/java3y/austin/common/enums/ShieldType.java
+++ b/austin-common/src/main/java/com/java3y/austin/common/enums/ShieldType.java
@@ -19,8 +19,8 @@ public enum ShieldType {
     NIGHT_SHIELD(20, "夜间屏蔽"),
     NIGHT_SHIELD_BUT_NEXT_DAY_SEND(30, "夜间屏蔽(次日早上9点发送)");
 
-    private Integer code;
-    private String description;
+    private final Integer code;
+    private final String description;
 
 
 
diff --git a/austin-common/src/main/java/com/java3y/austin/common/enums/SmsStatus.java b/austin-common/src/main/java/com/java3y/austin/common/enums/SmsStatus.java
index 8bbdf67..e2fd44b 100644
--- a/austin-common/src/main/java/com/java3y/austin/common/enums/SmsStatus.java
+++ b/austin-common/src/main/java/com/java3y/austin/common/enums/SmsStatus.java
@@ -18,8 +18,8 @@ public enum SmsStatus {
     RECEIVE_FAIL(30, "用户收不到短信(收到渠道短信回执，状态失败)"),
     SEND_FAIL(40, "调用渠道接口发送失败");
 
-    private Integer code;
-    private String description;
+    private final Integer code;
+    private final String description;
 
 
     /**
diff --git a/austin-common/src/main/java/com/java3y/austin/common/enums/SmsSupplier.java b/austin-common/src/main/java/com/java3y/austin/common/enums/SmsSupplier.java
index 818acba..5084d09 100644
--- a/austin-common/src/main/java/com/java3y/austin/common/enums/SmsSupplier.java
+++ b/austin-common/src/main/java/com/java3y/austin/common/enums/SmsSupplier.java
@@ -17,8 +17,8 @@ public enum SmsSupplier {
 
     TENCENT(10,"腾讯渠道商"),
     YUN_PAIN(20,"云片渠道商");
-    private Integer code;
-    private String description;
+    private final Integer code;
+    private final String description;
 
 
     /**
diff --git a/austin-common/src/main/java/com/java3y/austin/common/enums/TemplateType.java b/austin-common/src/main/java/com/java3y/austin/common/enums/TemplateType.java
index 75b0c8d..0349ccd 100644
--- a/austin-common/src/main/java/com/java3y/austin/common/enums/TemplateType.java
+++ b/austin-common/src/main/java/com/java3y/austin/common/enums/TemplateType.java
@@ -17,7 +17,7 @@ public enum TemplateType {
     REALTIME(20, "实时类的模板(接口实时调用)"),
     ;
 
-    private Integer code;
-    private String description;
+    private final Integer code;
+    private final String description;
 
 }
diff --git a/austin-handler/src/main/java/com/java3y/austin/handler/enums/RateLimitStrategy.java b/austin-handler/src/main/java/com/java3y/austin/handler/enums/RateLimitStrategy.java
index 80ac3f1..2109cfc 100644
--- a/austin-handler/src/main/java/com/java3y/austin/handler/enums/RateLimitStrategy.java
+++ b/austin-handler/src/main/java/com/java3y/austin/handler/enums/RateLimitStrategy.java
@@ -19,8 +19,8 @@ public enum RateLimitStrategy {
     SEND_USER_NUM_RATE_LIMIT(20, "根据发送用户数限流"),
     ;
 
-    private Integer code;
-    private String description;
+    private final Integer code;
+    private final String description;
 
 
 }