diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6c96f0c..7d46f7b 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 3.2.0
+
+* 合并 pay 和 no_pay
+
 ## 3.1.0
 
 * 升级 Android SDK
diff --git a/README.md b/README.md
index 43bf6e4..16de673 100755
--- a/README.md
+++ b/README.md
@@ -94,12 +94,12 @@ dependencies:
   wechat_kit: ^${latestTag}
 ```
 
-或使用不包含 iOS 支付的版本：
+使用包含 iOS 支付：
 
 ```
-dependencies:
-  # 请不要加 ^
-  wechat_kit: ${latestTag}-iOS-NoPay
+# 参考 https://github.com/RxReader/wechat_kit/blob/master/example/ios/Podfile
+# 默认 no_pay
+$WechatKitSubspec = 'pay'
 ```
 
 * snapshot
diff --git a/android/build.gradle b/android/build.gradle
index 9ab3c3e..f365c04 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -1,5 +1,5 @@
 group 'io.github.v7lin.wechat_kit'
-version '3.1.0'
+version '3.2.0'
 
 buildscript {
     repositories {
diff --git a/example/ios/Podfile b/example/ios/Podfile
index f7d6a5e..cf0c493 100644
--- a/example/ios/Podfile
+++ b/example/ios/Podfile
@@ -27,6 +27,9 @@ require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelpe
 
 flutter_ios_podfile_setup
 
+# 默认 no_pay
+$WechatKitSubspec = 'pay'
+
 target 'Runner' do
   flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__))
 end
diff --git a/ios/wechat_kit.podspec b/ios/wechat_kit.podspec
index 19896b8..9608d54 100644
--- a/ios/wechat_kit.podspec
+++ b/ios/wechat_kit.podspec
@@ -2,9 +2,16 @@
 # To learn more about a Podspec see http://guides.cocoapods.org/syntax/podspec.html.
 # Run `pod lib lint wechat_kit.podspec' to validate before publishing.
 #
+
+if defined?($WechatKitSubspec)
+  wechat_kit_subspec = $WechatKitSubspec
+else
+  wechat_kit_subspec = 'no_pay'
+end
+
 Pod::Spec.new do |s|
   s.name             = 'wechat_kit'
-  s.version          = '3.1.0'
+  s.version          = '3.2.0'
   s.summary          = 'WeChat SDKs as Flutter plugin.'
   s.description      = <<-DESC
 A powerful Flutter plugin allowing developers to auth/share/pay with natvie Android & iOS WeChat SDKs.
@@ -19,18 +26,29 @@ A powerful Flutter plugin allowing developers to auth/share/pay with natvie Andr
   s.platform = :ios, '8.0'
 
   s.static_framework = true
-  s.subspec 'vendor' do |sp|
-#    sp.source_files = 'Libraries/OpenSDK1.9.2/*.h' # For regular pay
-#    sp.public_header_files = 'Libraries/OpenSDK1.9.2/*.h' # For regular pay
-#    sp.vendored_libraries = 'Libraries/OpenSDK1.9.2/*.a' # For regular pay
-    sp.source_files = 'Libraries/OpenSDK1.9.2_NoPay/*.h' # For NoPay
-    sp.public_header_files = 'Libraries/OpenSDK1.9.2_NoPay/*.h' # For NoPay
-    sp.vendored_libraries = 'Libraries/OpenSDK1.9.2_NoPay/*.a' # For NoPay
+  # s.default_subspecs = :none
+  s.default_subspec = wechat_kit_subspec
+
+  s.subspec 'pay' do |sp|
+    sp.source_files = 'Libraries/OpenSDK1.9.2/*.h'
+    sp.public_header_files = 'Libraries/OpenSDK1.9.2/*.h'
+    sp.vendored_libraries = 'Libraries/OpenSDK1.9.2/*.a'
+    sp.frameworks = 'CoreGraphics', 'Security', 'WebKit'
+    sp.libraries = 'c++', 'z', 'sqlite3.0'
+    sp.pod_target_xcconfig = {
+        'OTHER_LDFLAGS' => '$(inherited) -ObjC -all_load',
+    }
+  end
+
+  s.subspec 'no_pay' do |sp|
+    sp.source_files = 'Libraries/OpenSDK1.9.2_NoPay/*.h'
+    sp.public_header_files = 'Libraries/OpenSDK1.9.2_NoPay/*.h'
+    sp.vendored_libraries = 'Libraries/OpenSDK1.9.2_NoPay/*.a'
     sp.frameworks = 'CoreGraphics', 'Security', 'WebKit'
     sp.libraries = 'c++', 'z', 'sqlite3.0'
     sp.pod_target_xcconfig = {
         'OTHER_LDFLAGS' => '$(inherited) -ObjC -all_load',
-        'GCC_PREPROCESSOR_DEFINITIONS' => 'NO_PAY=1' # For NoPay
+        'GCC_PREPROCESSOR_DEFINITIONS' => 'NO_PAY=1'
     }
   end
 
diff --git a/lib/src/wechat.dart b/lib/src/wechat.dart
index 6287598..00bd024 100755
--- a/lib/src/wechat.dart
+++ b/lib/src/wechat.dart
@@ -636,8 +636,11 @@ class Wechat {
     );
   }
 
-  /// 支付 - x.y.z-iOS-NoPay 版本下 iOS 调用会直接抛出异常 No implementation [MissingPluginException]
+  /// 支付 - 不含「iOS 支付」调用会直接抛出异常 No implementation [MissingPluginException]
   /// 参数说明：https://pay.weixin.qq.com/wiki/doc/api/app/app.php?chapter=9_12&index=2
+  ///
+  /// # 默认 no_pay，参考 https://github.com/RxReader/wechat_kit/blob/master/example/ios/Podfile
+  /// $WechatKitSubspec = 'pay'
   Future<void> pay({
     required String appId,
     required String partnerId,
diff --git a/pubspec.yaml b/pubspec.yaml
index 2593e22..6a4ec44 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: wechat_kit
 description: A powerful Flutter plugin allowing developers to auth/share/pay with natvie Android & iOS Wechat SDKs.
-version: 3.1.0
+version: 3.2.0
 # author: v7lin <v7lin@qq.com>
 homepage: https://github.com/rxreader/wechat_kit