diff --git a/.dart_tool/package_config.json b/.dart_tool/package_config.json
index 8c593be..5a7cfca 100644
--- a/.dart_tool/package_config.json
+++ b/.dart_tool/package_config.json
@@ -338,7 +338,7 @@
       "languageVersion": "2.1"
     }
   ],
-  "generated": "2021-01-06T06:14:07.674626Z",
+  "generated": "2021-01-26T08:47:21.076726Z",
   "generator": "pub",
   "generatorVersion": "2.10.4"
 }
diff --git a/.packages b/.packages
index 8fc5a05..ea44336 100644
--- a/.packages
+++ b/.packages
@@ -1,4 +1,4 @@
-# Generated by pub on 2021-01-06 14:14:07.647799.
+# Generated by pub on 2021-01-26 16:47:21.044882.
 analyzer:file:///Applications/flutter/.pub-cache/hosted/pub.flutter-io.cn/analyzer-0.37.0/lib/
 args:file:///Applications/flutter/.pub-cache/hosted/pub.flutter-io.cn/args-1.5.2/lib/
 async:file:///Applications/flutter/.pub-cache/hosted/pub.flutter-io.cn/async-2.3.0/lib/
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9fdb4b5..0e1a80a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,5 @@
+## 0.6.3
++ 修复：Android端获取RegistrationID偶现奔溃问题
 ## 0.6.2
 + 同步更最新版本SDK
 ## 0.6.1
diff --git a/README.md b/README.md
index 979face..18a6641 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ dependencies:
       
 // pub 集成
 dependencies:
-  jpush_flutter: 0.6.2
+  jpush_flutter: 0.6.3
 ```
 
 ### 配置
diff --git a/android/src/main/java/com/jiguang/jpush/JPushPlugin.java b/android/src/main/java/com/jiguang/jpush/JPushPlugin.java
index 895d98f..2b6f4d3 100644
--- a/android/src/main/java/com/jiguang/jpush/JPushPlugin.java
+++ b/android/src/main/java/com/jiguang/jpush/JPushPlugin.java
@@ -285,6 +285,11 @@ public class JPushPlugin implements MethodCallHandler {
     public void getRegistrationID(MethodCall call, Result result) {
         Log.d(TAG,"getRegistrationID: ");
 
+        if (registrar == null || registrar.context() == null) {
+            Log.d(TAG,"register context is nil.");
+            return;
+        }
+
         String rid = JPushInterface.getRegistrationID(registrar.context());
         if (rid == null || rid.isEmpty()) {
             getRidCache.add(result);
diff --git a/example/.flutter-plugins-dependencies b/example/.flutter-plugins-dependencies
index 8ca49b9..89f444b 100644
--- a/example/.flutter-plugins-dependencies
+++ b/example/.flutter-plugins-dependencies
@@ -1 +1 @@
-{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"jpush_flutter","path":"/Users/raoxudong/JPush/jpush-github/jpush-flutter-plugin/","dependencies":[]}],"android":[{"name":"jpush_flutter","path":"/Users/raoxudong/JPush/jpush-github/jpush-flutter-plugin/","dependencies":[]}],"macos":[],"linux":[],"windows":[],"web":[]},"dependencyGraph":[{"name":"jpush_flutter","dependencies":[]}],"date_created":"2021-01-06 14:51:34.996891","version":"1.22.5"}
\ No newline at end of file
+{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"jpush_flutter","path":"/Users/raoxudong/JPush/jpush-github/jpush-flutter-plugin/","dependencies":[]}],"android":[{"name":"jpush_flutter","path":"/Users/raoxudong/JPush/jpush-github/jpush-flutter-plugin/","dependencies":[]}],"macos":[],"linux":[],"windows":[],"web":[]},"dependencyGraph":[{"name":"jpush_flutter","dependencies":[]}],"date_created":"2021-01-26 16:47:22.148262","version":"1.22.5"}
\ No newline at end of file
diff --git a/example/pubspec.lock b/example/pubspec.lock
index f50048f..f1fc05a 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -164,7 +164,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "0.6.2"
+    version: "0.6.3"
   js:
     dependency: transitive
     description:
diff --git a/ios/jpush_flutter.podspec b/ios/jpush_flutter.podspec
index a7c3f11..73cf84d 100644
--- a/ios/jpush_flutter.podspec
+++ b/ios/jpush_flutter.podspec
@@ -15,7 +15,8 @@ A new flutter plugin project.
   s.source_files = 'Classes/**/*'
   s.public_header_files = 'Classes/**/*.h'
   s.dependency 'Flutter'
-  s.dependency 'JPush'
+  s.dependency 'JCore','2.4.0'
+  s.dependency 'JPush','3.4.0'
   
   s.ios.deployment_target = '8.0'
   s.static_framework = true
diff --git a/pubspec.yaml b/pubspec.yaml
index 0cbe31e..f896a89 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: jpush_flutter
 description: JIGUANG officially supported JPush Flutter plugin (Android & iOS). 极光推送官方支持的 Flutter 插件（Android & iOS）(https://www.jiguang.cn).
-version: 0.6.2
+version: 0.6.3
 # author: xudong.rao <xudong.rao@outlook.com>
 homepage: https://www.jiguang.cn