diff --git a/Example/Podfile.lock b/Example/Podfile.lock
index 5c11922..fd4243e 100644
--- a/Example/Podfile.lock
+++ b/Example/Podfile.lock
@@ -1,13 +1,13 @@
 PODS:
-  - Alamofire (5.2.2)
-  - Kingfisher (5.15.2):
-    - Kingfisher/Core (= 5.15.2)
-  - Kingfisher/Core (5.15.2)
-  - PlutoSDK/Core (0.8.3):
+  - Alamofire (5.3.0)
+  - Kingfisher (5.15.6):
+    - Kingfisher/Core (= 5.15.6)
+  - Kingfisher/Core (5.15.6)
+  - PlutoSDK/Core (0.8.4):
     - Alamofire (~> 5)
     - SwiftyJSON (~> 5)
     - SwiftyUserDefaults (~> 5)
-  - PlutoSDK/Rx (0.8.3):
+  - PlutoSDK/Rx (0.8.4):
     - PlutoSDK/Core (~> 0)
     - RxCocoa (~> 5)
   - RxCocoa (5.1.1):
@@ -38,9 +38,9 @@ EXTERNAL SOURCES:
     :path: "../"
 
 SPEC CHECKSUMS:
-  Alamofire: 814429acc853c6c54ff123fc3d2ef66803823ce0
-  Kingfisher: 1f60394409c6b916ce31474bcf73fdde6f3b9a7b
-  PlutoSDK: 0b10a6d9c0289f0cecc6169d592a258cf4443eb7
+  Alamofire: 2c792affbdc2f18016e08fdbcacd60aebe1ba593
+  Kingfisher: b3554e7bf6106115b44e8795300bad580ef2fdc7
+  PlutoSDK: 4d156962bbd58309a9eb2652bb7b3368caf4e082
   RxCocoa: 32065309a38d29b5b0db858819b5bf9ef038b601
   RxRelay: d77f7d771495f43c556cbc43eebd1bb54d01e8e9
   RxSwift: 81470a2074fa8780320ea5fe4102807cb7118178
diff --git a/Pluto/Classes/Core/Defaults.swift b/Pluto/Classes/Core/Defaults.swift
index d5bf9dd..17a40eb 100644
--- a/Pluto/Classes/Core/Defaults.swift
+++ b/Pluto/Classes/Core/Defaults.swift
@@ -106,7 +106,10 @@ class DefaultsManager {
                 )
             }
         )
-
+    }
+    
+    var isTokenNil: Bool {
+        accessToken == nil || refreshToken == nil
     }
     
     func updateAccessToken(_ accessToken: String) -> Bool {
@@ -132,5 +135,5 @@ class DefaultsManager {
         sub = nil
         infoJSONString = nil
     }
-    
+
 }
diff --git a/Pluto/Classes/Core/Pluto.swift b/Pluto/Classes/Core/Pluto.swift
index 22dc657..91f7d8f 100644
--- a/Pluto/Classes/Core/Pluto.swift
+++ b/Pluto/Classes/Core/Pluto.swift
@@ -44,7 +44,7 @@ final public class Pluto {
     var isWeChatInstalled = false
     
     var stateObserver: ((State) -> Void)?
-    var state: State = .loading {
+    var state: State = DefaultsManager.shared.isTokenNil ? .notSignin : .signin {
         didSet {
             stateObserver?(state)
         }
@@ -82,14 +82,6 @@ final public class Pluto {
         self.server = server
         self.appId = appId
         self.isWeChatInstalled = isWeChatInstalled
-        
-        getAccessToken { [unowned self] in
-            guard $0 != nil else {
-                self.state = .notSignin
-                return
-            }
-            self.state = .signin
-        }
     }
     
     public func observeState(observer: ((State) -> Void)?) {
diff --git a/PlutoSDK.podspec b/PlutoSDK.podspec
index 19dcdcb..2c7e908 100644
--- a/PlutoSDK.podspec
+++ b/PlutoSDK.podspec
@@ -8,7 +8,7 @@
 
 Pod::Spec.new do |s|
   s.name             = 'PlutoSDK'
-  s.version          = '0.8.3'
+  s.version          = '0.8.4'
   s.summary          = 'Swift SDK for Pluto login microservice.'
 
 # This description is used to generate tags and improve search results.