diff --git a/package.json b/package.json
index 12184b8..d532a3c 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,6 @@
     "stats": "set NODE_ENV=production && webpack --progress --config ./config/webpack/webpack.config.stats.js --profile --json > ./config/webpack/stats/stats.json"
   },
   "devDependencies": {
-    "@types/auth0-lock": "^10.16.2",
     "@types/history": "^4.6.2",
     "@types/jest": "^21.1.8",
     "@types/lodash": "^4.14.91",
@@ -74,7 +73,6 @@
     "webpack-visualizer-plugin": "^0.1.11"
   },
   "dependencies": {
-    "auth0-lock": "^10.24.1",
     "history": "^4.7.2",
     "immutable": "^3.8.2",
     "inversify": "^4.9.0",
diff --git a/src/ts/@overflow/commons/core/reflect/accessible_object.ts b/src/ts/@overflow/commons/core/reflect/accessible_object.ts
index ae7c4f1..b16dc31 100644
--- a/src/ts/@overflow/commons/core/reflect/accessible_object.ts
+++ b/src/ts/@overflow/commons/core/reflect/accessible_object.ts
@@ -3,10 +3,8 @@ import {
   TypeUtil,
 } from '@overflow/commons/core/type';
 
-import {
-  AnnotatedElement,
-  Annotation,
- } from '@overflow/commons/core/reflect';
+import {AnnotatedElement} from './annotated_element';
+import {Annotation} from './annotation';
 
 export abstract class AccessibleObject implements AnnotatedElement {
   private _annotations: Map<ClassType, Annotation>;
diff --git a/src/ts/@overflow/commons/core/reflect/annotated_element.ts b/src/ts/@overflow/commons/core/reflect/annotated_element.ts
index a5dcc17..a5cff15 100644
--- a/src/ts/@overflow/commons/core/reflect/annotated_element.ts
+++ b/src/ts/@overflow/commons/core/reflect/annotated_element.ts
@@ -2,9 +2,7 @@ import {
   ClassType,
 } from '@overflow/commons/core/type';
 
-import {
-  Annotation,
-} from '@overflow/commons/core/reflect';
+import {Annotation} from './annotation';
 
 export interface AnnotatedElement {
   _addAnnotation<AnnotationType extends Annotation>(annotation: AnnotationType): void;
diff --git a/src/ts/@overflow/commons/core/reflect/class.ts b/src/ts/@overflow/commons/core/reflect/class.ts
index cc32232..1ab6c39 100644
--- a/src/ts/@overflow/commons/core/reflect/class.ts
+++ b/src/ts/@overflow/commons/core/reflect/class.ts
@@ -4,11 +4,10 @@ import {
   Metadata,
 } from '@overflow/commons/core/type';
 
-import {
-  AccessibleObject,
-  Field,
-  Method,
-} from '@overflow/commons/core/reflect';
+import {AccessibleObject} from './accessible_object';
+import {Constructor} from './constructor';
+import {Field} from './field';
+import {Method} from './method';
 
 export class Class extends AccessibleObject {
   private _clazzType: ClassType;
diff --git a/src/ts/@overflow/commons/core/reflect/class_constructor.ts b/src/ts/@overflow/commons/core/reflect/class_constructor.ts
deleted file mode 100644
index c2fa1ce..0000000
--- a/src/ts/@overflow/commons/core/reflect/class_constructor.ts
+++ /dev/null
@@ -1,19 +0,0 @@
-// import {
-//   PropertyKeyType,
-// } from '@overflow/commons/core/type';
-
-// import {
-//   Class,
-//   Executable,
-//  } from '@overflow/commons/core/reflect';
-
-// export class Constructor extends Executable {
-
-//   public constructor(declaringClazz: Class, parameterTypes: any[]) {
-//     super(declaringClazz, parameterTypes);
-//   }
-
-//   public getName(): PropertyKeyType {
-//     return '';
-//   }
-// }
diff --git a/src/ts/@overflow/commons/core/reflect/constructor.ts b/src/ts/@overflow/commons/core/reflect/constructor.ts
new file mode 100644
index 0000000..0911051
--- /dev/null
+++ b/src/ts/@overflow/commons/core/reflect/constructor.ts
@@ -0,0 +1,17 @@
+import {
+  PropertyKeyType,
+} from '@overflow/commons/core/type';
+
+import {Class} from './class';
+import {Executable} from './executable';
+
+export class Constructor extends Executable {
+
+  public constructor(declaringClazz: Class, parameterTypes: any[]) {
+    super(declaringClazz, parameterTypes);
+  }
+
+  public getName(): PropertyKeyType {
+    return '';
+  }
+}
diff --git a/src/ts/@overflow/commons/core/reflect/executable.ts b/src/ts/@overflow/commons/core/reflect/executable.ts
index 74c582f..6f22c66 100644
--- a/src/ts/@overflow/commons/core/reflect/executable.ts
+++ b/src/ts/@overflow/commons/core/reflect/executable.ts
@@ -2,12 +2,10 @@ import {
   PropertyKeyType,
 } from '@overflow/commons/core/type';
 
-import {
-  AccessibleObject,
-  Class,
-  Member,
-  Parameter,
- } from '@overflow/commons/core/reflect';
+import {AccessibleObject} from './accessible_object';
+import {Class} from './class';
+import {Member} from './member';
+import {Parameter} from './parameter';
 
 export abstract class Executable extends AccessibleObject implements Member {
   private _clazz: Class;
diff --git a/src/ts/@overflow/commons/core/reflect/field.ts b/src/ts/@overflow/commons/core/reflect/field.ts
index af6687a..b387f19 100644
--- a/src/ts/@overflow/commons/core/reflect/field.ts
+++ b/src/ts/@overflow/commons/core/reflect/field.ts
@@ -2,11 +2,9 @@ import {
   PropertyKeyType,
 } from '@overflow/commons/core/type';
 
-import {
-  AccessibleObject,
-  Class,
-  Member,
- } from '@overflow/commons/core/reflect';
+import {AccessibleObject} from './accessible_object';
+import {Class} from './class';
+import {Member} from './member';
 
 export class Field extends AccessibleObject implements Member {
   private _clazz: Class;
diff --git a/src/ts/@overflow/commons/core/reflect/index.ts b/src/ts/@overflow/commons/core/reflect/index.ts
index 572a209..9e03cf6 100644
--- a/src/ts/@overflow/commons/core/reflect/index.ts
+++ b/src/ts/@overflow/commons/core/reflect/index.ts
@@ -1,7 +1,7 @@
 export * from './accessible_object';
 export * from './annotated_element';
 export * from './annotation';
-export * from './class_constructor';
+export * from './constructor';
 export * from './class';
 export * from './executable';
 export * from './field';
diff --git a/src/ts/@overflow/commons/core/reflect/member.ts b/src/ts/@overflow/commons/core/reflect/member.ts
index 055a61a..883477e 100644
--- a/src/ts/@overflow/commons/core/reflect/member.ts
+++ b/src/ts/@overflow/commons/core/reflect/member.ts
@@ -1,11 +1,9 @@
-import {
-  Class,
-} from '@overflow/commons/core/reflect';
-
 import {
   PropertyKeyType,
 } from '@overflow/commons/core/type';
 
+import {Class} from './class';
+
 export interface Member {
   getDeclaringClass(): Class;
   getName(): PropertyKeyType;
diff --git a/src/ts/@overflow/commons/core/reflect/method.ts b/src/ts/@overflow/commons/core/reflect/method.ts
index c1ca432..8fed933 100644
--- a/src/ts/@overflow/commons/core/reflect/method.ts
+++ b/src/ts/@overflow/commons/core/reflect/method.ts
@@ -2,10 +2,8 @@ import {
   PropertyKeyType,
 } from '@overflow/commons/core/type';
 
-import {
-  Class,
-  Executable,
- } from '@overflow/commons/core/reflect';
+import {Class} from './class';
+import {Executable} from './executable';
 
 export class Method extends Executable {
   private _name: PropertyKeyType;
diff --git a/src/ts/@overflow/commons/core/reflect/parameter.ts b/src/ts/@overflow/commons/core/reflect/parameter.ts
index 6d8d02d..b5c4690 100644
--- a/src/ts/@overflow/commons/core/reflect/parameter.ts
+++ b/src/ts/@overflow/commons/core/reflect/parameter.ts
@@ -1,7 +1,5 @@
-import {
-  AccessibleObject,
-  Executable,
-} from '@overflow/commons/core/reflect';
+import {AccessibleObject} from './accessible_object';
+import {Executable} from './executable';
 
 export class Parameter extends AccessibleObject {
   private _executable: Executable;
diff --git a/src/ts/@overflow/commons/redux/decorators/index.ts b/src/ts/@overflow/commons/redux/decorators/index.ts
index e05e0ee..1a99ebd 100644
--- a/src/ts/@overflow/commons/redux/decorators/index.ts
+++ b/src/ts/@overflow/commons/redux/decorators/index.ts
@@ -1,4 +1,5 @@
 export * from './action_mapping';
+export * from './parameter';
 export * from './reducer';
 export * from './rest_api';
 export * from './rpc_api';
diff --git a/src/ts/@overflow/commons/redux/decorators/parameter.ts b/src/ts/@overflow/commons/redux/decorators/parameter.ts
new file mode 100644
index 0000000..56b3807
--- /dev/null
+++ b/src/ts/@overflow/commons/redux/decorators/parameter.ts
@@ -0,0 +1,43 @@
+import {
+  Annotation,
+} from '@overflow/commons/core/reflect';
+
+import {
+  PropertyKeyType,
+  TypeUtil,
+} from '@overflow/commons/core/type';
+
+import {
+  Decorator,
+} from '@overflow/commons/decorator';
+
+export interface ParameterAnnotationAttributes {
+  name?: string;
+}
+
+export class ParameterAnnotation implements Annotation {
+  public readonly attributes: ParameterAnnotationAttributes;
+
+  public constructor(name: string | ParameterAnnotationAttributes) {
+    if (undefined === name) {
+      this.attributes = {
+        name: '',
+      };
+      return;
+    }
+
+    if (TypeUtil.isString(name)) {
+      this.attributes = {
+        name: <string>name,
+      };
+    } else {
+      this.attributes = <ParameterAnnotationAttributes>name;
+    }
+  }
+
+  public parameterDecorator?(target: Object, propertyKey: PropertyKeyType, parameterIndex: number): void {
+    console.log('Parameter');
+  }
+}
+
+export const Parameter = Decorator.create(ParameterAnnotation);
diff --git a/src/ts/@overflow/modules/member/reducer/member_reducer.ts b/src/ts/@overflow/modules/member/reducer/member_reducer.ts
index 2e9d6fd..6a684ab 100644
--- a/src/ts/@overflow/modules/member/reducer/member_reducer.ts
+++ b/src/ts/@overflow/modules/member/reducer/member_reducer.ts
@@ -1,5 +1,6 @@
 import {
   ActionMapping,
+  Parameter,
   Reducer,
   RestAPI,
 } from '@overflow/commons/redux/decorators';
@@ -7,12 +8,17 @@ import {
 @Reducer()
 @ActionMapping('@overflow/modules/member/MemberReducer')
 export default class MemberReducer {
+  private name: string;
+  public constructor(@Parameter() name: string) {
+    this.name = name;
+  }
+
   /**
    * signin
    */
   @RestAPI('/account/signin')
   @ActionMapping('/signin')
-  public signin(state: any, result: any, error: any): any {
+  public signin(state: any, @Parameter() result: any, error: any): any {
 
     return state;
   }