diff --git a/Example/SmartCodable/Test2ViewController.swift b/Example/SmartCodable/Test2ViewController.swift
index e32d479..7ea090b 100644
--- a/Example/SmartCodable/Test2ViewController.swift
+++ b/Example/SmartCodable/Test2ViewController.swift
@@ -17,42 +17,49 @@ class Test2ViewController: BaseViewController {
         super.viewDidLoad()
         
         let dict: [String: Any] = [
-            "name": "mccc",
-            "subModel": "mccc111",
+//            "name": "mccc",
+            "age": 30,
+            "info": [
+                "name": "mccc111"
+            ],
+            "sub": [
+                "subname": "qilin",
+                "subage": 3,
+                "info": [
+                    "name": "qilin111"
+                ],
+            ]
 
         ]
         let model = Model.deserialize(from: dict)
-        print(model?.subModel?.rawValue)
-        
-        let dict1 = model?.toDictionary()
-        print(dict1)
+        BTPrint.print(model)
 
-    }
-    
-    struct Model: SmartCodable {
-        var name: String = ""
-        @SmartPublished
-        var subModel: TestEnum?
+        print("\n")
         
-        
-        static func mappingForValue() -> [SmartValueTransformer]? {
-            [
-                CodingKeys.name <--- FastTransformer<String, String>(fromJSON: { json in
-                    "abc"
-                }),
-                CodingKeys.subModel <--- FastTransformer<TestEnum, String>(fromJSON: { json in
-                    TestEnum.man
-                }),
-            ]
-        }
+        let tranDict = model?.toDictionary() ?? [:]
+        BTPrint.print(tranDict)
     }
+}
+
+struct Model: SmartCodable {
+    var name: String = ""
+    var age: Int = 0
+    var sub: SubModel = SubModel()
     
-    enum TestEnum: String, SmartCaseDefaultable {
-    case man
+    static func mappingForKey() -> [SmartKeyTransformer]? {
+        [
+            CodingKeys.name <--- "info.name"
+        ]
     }
+}
+
+struct SubModel: SmartCodable {
+    var subname: String = ""
+    var subage: Int = 0
     
-    struct SubModel: SmartCodable {
-        var name: String = ""
-        
+    static func mappingForKey() -> [SmartKeyTransformer]? {
+        [
+            CodingKeys.subname <--- "info.name"
+        ]
     }
 }
diff --git a/Example/SmartCodable/Test3ViewController.swift b/Example/SmartCodable/Test3ViewController.swift
index 2891d8b..079afc6 100644
--- a/Example/SmartCodable/Test3ViewController.swift
+++ b/Example/SmartCodable/Test3ViewController.swift
@@ -15,7 +15,7 @@ import CleanJSON
 /** 测试内容项
  1. 默认值的使用是否正常
  2. mappingForValue是否正常。
- 3. 
+ 3.
  */
 
 
@@ -25,67 +25,33 @@ class Test3ViewController: BaseViewController {
     
     override func viewDidLoad() {
         super.viewDidLoad()
-
-        
         
         let dict1: [String: Any] = [
-            "age": 10,
-            "name": "Mccc",
-            "location": [
-                "province": "Jiang zhou",
-                "city": "Su zhou",
+            "code": "10000",
+            "msg": "成功",
+            "data": [
+                "guideSvga": "guideSvga",
+                "guideOnevga": "guideOnevga",
+                "loadingSvga": "loadingSvga",
+                "loadingSvgaBackgroundColor": "loadingSvgaBackgroundColor",
             ]
-            
         ]
         
-        if let jsonData = try? JSONSerialization.data(withJSONObject: dict1, options: []) {
-            // Successfully converted Dictionary to Data
-            print("JSON Data:", jsonData)
-            
-            do {
-                let obj = try JSONDecoder().decode(Model.self, from: jsonData)
-                print("obj = ", obj)
-
-            } catch {
-                print("error = ", error)
-            }
-            
-            // If you want to convert it back to a String for debugging purposes
-            if let jsonString = String(data: jsonData, encoding: .utf8) {
-                print("JSON String:", jsonString)
-            }
-        }
-        
-        if let model = Model.deserialize(from: dict1) {
-            smartPrint(value: model)
-            print("\n")
-            let dict = model.toDictionary() ?? [:]
-            print(dict)
-        }
+        guard let model = ResponseData<HomeListModel>.deserialize(from: dict1) else { return }
+        print(model)
     }
-}
-
-
-
-
-extension Test3ViewController {
-    struct Model: SmartCodable {
-        var name: String = ""
-        @IgnoredKey
-        var ignore: String = ""
-        @IgnoredKey
-        var ignore2 = ""
-        var age: Int = 0
-        var location: Location?
+    
+    struct HomeListModel: SmartCodable {
+        var guideSvga = ""
+        var guideOnevga = ""
+        var loadingSvga = ""
+        var loadingSvgaBackgroundColor = ""
     }
     
-    struct Location: SmartCodable {
-        var province: String = ""
-        
-        // 忽略解析
-        @IgnoredKey
-        var city: String = "area123"
+    struct ResponseData<T>: SmartCodable where T: SmartCodable {
+        var code = ""
+        var msg = ""
+        var data: T?
     }
 }
 
-
diff --git a/Example/SmartCodable/TestViewController.swift b/Example/SmartCodable/TestViewController.swift
index 9b49447..a6a6000 100644
--- a/Example/SmartCodable/TestViewController.swift
+++ b/Example/SmartCodable/TestViewController.swift
@@ -35,37 +35,52 @@ class TestViewController: BaseViewController {
     override func viewDidLoad() {
         super.viewDidLoad()
         let jsonString = """
+[
 {
-
-    "enjoyCount": 462,
-    "talkCount": null,
+    "enjoyCount": 1,
+    "commentCount": 1,
+},
+{
+    "enjoyCount": 2,
+    "commentCount": 2,
+},
+{
+    "enjoyCount": 2,
+    "commentCount": 2,
 }
+]
     
 """
-        
-        guard let model = RecommendModel.deserialize(from: jsonString) else {
+        guard let models = [RecommendModel].deserialize(from: jsonString) else {
             return
         }
+        print(models)
+        print("\n")
         
-        print(model)
+        let uniqueRecommends = Array(Set(models))
+        print(uniqueRecommends)
     }
     
-    
-    struct RecommendModel: SmartCodable {
+    struct RecommendModel: SmartCodable, Equatable, Hashable {
 
         /// 点赞数
         var enjoyCount: Int = 0
         /// 评论数
         var commentCount: Int = 0
-       
         
-
-        static func mappingForKey() -> [SmartKeyTransformer]? {
-            [
-                CodingKeys.commentCount <--- ["commentCount","talkCount","postCommentCount","topicCommentCount","topicTalkCount", "articleCommentCount"],
-                CodingKeys.enjoyCount <--- ["articleEnjoyCount","enjoyCount","topicEnjoyCount","postEnjoyCount"],
-            ]
+        @IgnoredKey
+        var priceText: NSAttributedString? // 价格富文本
+        
+        
+        static func == (lhs: RecommendModel, rhs: RecommendModel) -> Bool {
+            return true
+        }
+        
+        // 手动实现 Hashable 协议
+        func hash(into hasher: inout Hasher) {
+            hasher.combine(enjoyCount)
+            hasher.combine(commentCount)
         }
     }
-
+    
 }
diff --git a/SmartCodable.podspec b/SmartCodable.podspec
index 44e9ba5..21ddc37 100644
--- a/SmartCodable.podspec
+++ b/SmartCodable.podspec
@@ -12,7 +12,7 @@
 
 Pod::Spec.new do |s|
   s.name             = 'SmartCodable'
-  s.version          = '4.2.3'
+  s.version          = '4.2.4'
   s.summary          = '数据解析库'
   
   s.homepage         = 'https://github.com/intsig171'
diff --git a/SmartCodable/Classes/JSONDecoder/Decoder/KeysMapper.swift b/SmartCodable/Classes/JSONDecoder/Decoder/KeysMapper.swift
index af59319..09f4369 100644
--- a/SmartCodable/Classes/JSONDecoder/Decoder/KeysMapper.swift
+++ b/SmartCodable/Classes/JSONDecoder/Decoder/KeysMapper.swift
@@ -44,11 +44,15 @@ struct KeysMapper {
         type.mappingForKey()?.forEach { mapping in
             for oldKey in mapping.from {
                 let newKey = mapping.to.stringValue
+
+                // 先移除数据中原本的字段
+                newDict.removeValue(forKey: newKey)
+                
                 if let value = newDict[oldKey] as? JSONValue, value != .null {
                     newDict[newKey] = newDict[oldKey]
                     break
                 } else { // Handles the case of a custom parsing path.
-                    if newDict[newKey] == nil, let pathValue = newDict.getValue(forKeyPath: oldKey) {
+                    if let pathValue = newDict.getValue(forKeyPath: oldKey) {
                         newDict.updateValue(pathValue, forKey: newKey)
                     }
                 }