- 更新 libaes 依赖至 15.20.21

- 新增 JavaMail/SMTP ProGuard 混淆规则，防止 R8 混淆导致 SMTP 邮件发送失败
- 保留 javax.mail、com.sun.mail 等核心邮件类不被混淆

powerbell/build.gradle

@@ -84,7 +84,7 @@ dependencies {
     //api 'androidx.fragment:fragment:1.1.0'
     
 	// WinBoLL库 nexus.winboll.cc 地址
-	api 'cc.winboll.studio:libaes:15.20.20'
+	api 'cc.winboll.studio:libaes:15.20.21'
     api 'cc.winboll.studio:libappbase:15.20.34'
 	
 	// WinBoLL备用库 jitpack.io 地址

powerbell/build.properties

@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Sat Jul 18 03:20:45 CST 2026
-stageCount=21
+#Sat Jul 18 04:11:00 CST 2026
+stageCount=22
 libraryProject=
 baseVersion=15.15
-publishVersion=15.15.20
+publishVersion=15.15.21
 buildCount=0
-baseBetaVersion=15.15.21
+baseBetaVersion=15.15.22

powerbell/proguard-rules.pro

@@ -60,6 +60,22 @@
 -dontwarn java.util.function.**
 
 # ============================== 第三方框架专项规则 ==============================
+# JavaMail / SMTP 邮件发送（APPMSGMailUtils 依赖，防止 R8 混淆导致 SMTP 发送失败）
+-keep class javax.mail.** { *; }
+-keep class javax.mail.internet.** { *; }
+-keep class javax.activation.** { *; }
+-keep class com.sun.mail.** { *; }
+-keep class com.sun.mail.util.** { *; }
+-keep class com.sun.mail.smtp.** { *; }
+-keep class com.sun.mail.pop3.** { *; }
+-keep class com.sun.mail.imap.** { *; }
+-dontwarn javax.mail.**
+-dontwarn javax.activation.**
+-dontwarn com.sun.mail.**
+-dontwarn java.awt.**
+-dontwarn javax.naming.**
+-dontwarn javax.net.ssl.**
+
 # OkHttp 4.4.1（米盟广告请求依赖，完善Lambda兼容）
 -keep class okhttp3.** { *; }
 -keep interface okhttp3.** { *; }