diff --git a/lib/json_generator.dart b/lib/json_generator.dart
index fe73c83..1f92cef 100644
--- a/lib/json_generator.dart
+++ b/lib/json_generator.dart
@@ -10,6 +10,7 @@ String entityName = null;
 bool useJsonKey = true;
 
 bool isCamelCase = true;
+bool isStaticMethod = true;
 
 var downloadFileName = "";
 
@@ -61,6 +62,7 @@ void main() async {
 
   InputElement eJsonKey = querySelector("#use_json_key");
   InputElement eCamelCase = querySelector("#camelCase");
+  InputElement eUseStatic = querySelector("#use_static");
   TextAreaElement result = querySelector("#result");
   RadioButtonInputElement v0 = querySelector("#v0");
   RadioButtonInputElement v1 = querySelector("#v1");
@@ -125,6 +127,17 @@ void main() async {
     refreshData();
   });
 
+  eUseStatic.checked = isStaticMethod;
+  eUseStatic.onInput.listen((event) {
+    isStaticMethod = eUseStatic.checked;
+    refreshData();
+  });
+
+  querySelector("#useStaticLabel").onClick.listen((event) {
+    eUseStatic.checked = !eUseStatic.checked;
+    refreshData();
+  });
+
   refreshData();
 
   querySelector("#copy").onClick.listen((event) {
diff --git a/lib/template.dart b/lib/template.dart
index a420997..e5eb165 100644
--- a/lib/template.dart
+++ b/lib/template.dart
@@ -97,6 +97,9 @@ class DefaultTemplate extends Template {
 
   @override
   String method() {
+    if (main.isStaticMethod) {
+      return "  static $className fromJson(Map<String, dynamic> srcJson) => _\$${className}FromJson(srcJson);";
+    }
     return "  factory $className.fromJson(Map<String, dynamic> srcJson) => _\$${className}FromJson(srcJson);";
   }
 
@@ -108,22 +111,27 @@ class DefaultTemplate extends Template {
     if (this is ListTemplate) {
       return this;
     }
-    return ListTemplate(srcJson: srcJson, className: className, delegateTemplate: this);
+    return ListTemplate(
+        srcJson: srcJson, className: className, delegateTemplate: this);
   }
 }
 
 class ListTemplate extends DefaultTemplate {
   Template delegateTemplate;
 
-  ListTemplate({String srcJson, String className = "Entity", this.delegateTemplate}) : super(className: className, srcJson: srcJson);
+  ListTemplate(
+      {String srcJson, String className = "Entity", this.delegateTemplate})
+      : super(className: className, srcJson: srcJson);
 
   @override
   String declare() {
-    return _declareListMethod() + "\n" + delegateTemplate?.declare() ?? super.declare();
+    return _declareListMethod() + "\n" + delegateTemplate?.declare() ??
+        super.declare();
   }
 
   String _declareListMethod() {
-    var listMethod = """List<$className> get${className}List(List<dynamic> list){
+    var listMethod =
+        """List<$className> get${className}List(List<dynamic> list){
     List<$className> result = [];
     list.forEach((item){
       result.add($className.fromJson(item));
@@ -154,11 +162,13 @@ class ListTemplate extends DefaultTemplate {
   }
 
   @override
-  List<Field> get fieldList => FieldHelper(json.encode(json.decode(srcJson)[0])).getFields();
+  List<Field> get fieldList =>
+      FieldHelper(json.encode(json.decode(srcJson)[0])).getFields();
 }
 
 class V1Template extends DefaultTemplate {
-  V1Template({String srcJson, String className = "Entity"}) : super(className: className, srcJson: srcJson);
+  V1Template({String srcJson, String className = "Entity"})
+      : super(className: className, srcJson: srcJson);
 
   @override
   String interface() => "";
@@ -168,7 +178,8 @@ class V1Template extends DefaultTemplate {
     var result = StringBuffer();
     result.writeln(super.method());
     result.writeln();
-    result.write("  Map<String, dynamic> toJson() => _\$${className}ToJson(this);");
+    result.write(
+        "  Map<String, dynamic> toJson() => _\$${className}ToJson(this);");
     return result.toString();
   }
 }
diff --git a/pubspec.yaml b/pubspec.yaml
index 67d8f46..3387c53 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -11,11 +11,10 @@ environment:
 #  path: ^1.4.1
 dependencies:
   # Your other regular dependencies here
-  json_annotation: ^0.2.3
-  intl: ^0.15.7
+  json_annotation: ^3.0.0
+  intl: ^0.15.8
 
-  
 dev_dependencies:
-  build_runner: ^0.9.0
-  build_web_compilers: ^0.4.0
-  json_serializable: ^0.5.4
\ No newline at end of file
+  build_runner: ^1.6.6
+  build_web_compilers: ^2.2.3
+  json_serializable: ^3.2.0
\ No newline at end of file
diff --git a/web/index.html b/web/index.html
index 0dc635c..d8ae200 100644
--- a/web/index.html
+++ b/web/index.html
@@ -40,6 +40,8 @@
                         <span id="check_label">jsonKey annotation</span>
                         <input type="checkbox" id="camelCase" />
                         <span id="camelCaseLabel">use camelCase</span>
+                        <input type="checkbox" id="use_static" />
+                        <span id="useStaticLabel">use static</span>
                     </div>
                     <div id="file_name"></div>
                 </span>
diff --git a/web/index_ch.html b/web/index_ch.html
index 47872dc..add6b8e 100644
--- a/web/index_ch.html
+++ b/web/index_ch.html
@@ -38,9 +38,11 @@
                     类名称
                     <input id="out_entity_name" />
                     <input type="checkbox" id="use_json_key" />
-                    <span id="check_label">jsonKey annotation</span>
+                    <span id="check_label">使用 JsonKey 注解</span>
                     <input type="checkbox" id="camelCase" />
-                    <span id="camelCaseLabel">use camelCase</span>
+                    <span id="camelCaseLabel">驼峰命名</span>
+                    <input type="checkbox" id="use_static" />
+                    <span id="useStaticLabel">使用静态方法</span>
                 </div>
                 <div id="file_name"></div>
             </span>