diff --git a/src/main/kotlin/app/termora/account/AccountManager.kt b/src/main/kotlin/app/termora/account/AccountManager.kt
index 65300c6..12ef524 100644
--- a/src/main/kotlin/app/termora/account/AccountManager.kt
+++ b/src/main/kotlin/app/termora/account/AccountManager.kt
@@ -42,7 +42,7 @@ class AccountManager private constructor() : ApplicationRunnerExtension {
     fun getSecretKey() = account.secretKey
     fun getPublicKey() = account.publicKey
     fun getPrivateKey() = account.privateKey
-    fun isSigned() = isFreePlan().not() && accountProperties.signed
+    fun isSigned() = accountProperties.signed
     fun isLocally() = account.isLocally
     fun getLastSynchronizationOn() = accountProperties.lastSynchronizationOn
     fun getAccessToken() = account.accessToken
diff --git a/src/main/kotlin/app/termora/account/AccountOption.kt b/src/main/kotlin/app/termora/account/AccountOption.kt
index bf48ae1..b2436b8 100644
--- a/src/main/kotlin/app/termora/account/AccountOption.kt
+++ b/src/main/kotlin/app/termora/account/AccountOption.kt
@@ -97,7 +97,7 @@ class AccountOption : JPanel(BorderLayout()), OptionsPane.Option, Disposable {
             planBox.add(Box.createHorizontalStrut(16))
             val upgrade = JXHyperlink(object : AnAction(I18n.getString("termora.settings.account.upgrade")) {
                 override fun actionPerformed(evt: AnActionEvent) {
-
+                    Application.browse(URI.create("https://www.termora.app/pricing"))
                 }
             })
             upgrade.isFocusable = false
diff --git a/src/main/kotlin/app/termora/account/LoginServerDialog.kt b/src/main/kotlin/app/termora/account/LoginServerDialog.kt
index 75d0293..c11b949 100644
--- a/src/main/kotlin/app/termora/account/LoginServerDialog.kt
+++ b/src/main/kotlin/app/termora/account/LoginServerDialog.kt
@@ -362,6 +362,7 @@ class LoginServerDialog(owner: Window) : DialogWrapper(owner) {
                     super.doOKAction()
                 }
             } catch (e: Exception) {
+                if (log.isErrorEnabled) log.error(e.message, e)
                 withContext(Dispatchers.Swing) {
                     OptionPane.showMessageDialog(
                         this@LoginServerDialog,
diff --git a/src/main/kotlin/app/termora/account/PushService.kt b/src/main/kotlin/app/termora/account/PushService.kt
index 5c732ae..b2b7ad1 100644
--- a/src/main/kotlin/app/termora/account/PushService.kt
+++ b/src/main/kotlin/app/termora/account/PushService.kt
@@ -117,13 +117,23 @@ class PushService private constructor() : SyncService(), Disposable, Application
     }
 
     private fun push(data: Data) {
+        val encryptedData = encryptData(data.id, data.data, data.ownerId)
+        if (encryptedData.isBlank()) {
+            if (log.isErrorEnabled) {
+                log.error("数据: {} 没有找到对应 ownerId 的密钥，此数据将标记为已同步", data.id)
+            }
+            // 标记为已经同步
+            updateData(data.id, synced = true)
+            return
+        }
+
         val requestData = PushDataRequest(
             objectId = data.id,
             ownerId = data.ownerId,
             ownerType = data.ownerType,
             version = data.version,
             type = data.type,
-            data = encryptData(data.id, data.data),
+            data = encryptedData,
         )
 
         val request = Request.Builder().url("${accountManager.getServer()}/v1/data/push")
diff --git a/src/main/kotlin/app/termora/account/SyncService.kt b/src/main/kotlin/app/termora/account/SyncService.kt
index ef3e09e..61996c8 100644
--- a/src/main/kotlin/app/termora/account/SyncService.kt
+++ b/src/main/kotlin/app/termora/account/SyncService.kt
@@ -3,6 +3,7 @@ package app.termora.account
 import app.termora.AES
 import app.termora.database.*
 import app.termora.database.Data.Companion.toData
+import okhttp3.internal.EMPTY_BYTE_ARRAY
 import org.apache.commons.codec.binary.Base64
 import org.apache.commons.codec.digest.DigestUtils
 import org.apache.commons.lang3.ObjectUtils
@@ -75,14 +76,21 @@ abstract class SyncService {
         }
     }
 
-    protected fun encryptData(id: String, data: String): String {
+    protected fun encryptData(id: String, data: String, ownerId: String): String {
         val iv = DigestUtils.sha256(id).copyOf(12)
-        return Base64.encodeBase64String(
-            AES.GCM.encrypt(
-                accountManager.getSecretKey(), iv,
-                data.toByteArray()
-            )
-        )
+        var secretKey = EMPTY_BYTE_ARRAY
+        if (ownerId != accountManager.getAccountId()) {
+            val team = accountManager.getTeams().firstOrNull { it.id == ownerId }
+            if (team == null) {
+                return StringUtils.EMPTY
+            } else {
+                secretKey = team.secretKey
+            }
+        } else if (ownerId == accountManager.getAccountId()) {
+            secretKey = accountManager.getSecretKey()
+        }
+        if (secretKey.isEmpty()) return StringUtils.EMPTY
+        return Base64.encodeBase64String(AES.GCM.encrypt(secretKey, iv, data.toByteArray()))
     }
 
     protected fun decryptData(id: String, data: String): String {
diff --git a/src/main/kotlin/app/termora/highlight/KeywordHighlightDialog.kt b/src/main/kotlin/app/termora/highlight/KeywordHighlightDialog.kt
index f50fdcf..85d6768 100644
--- a/src/main/kotlin/app/termora/highlight/KeywordHighlightDialog.kt
+++ b/src/main/kotlin/app/termora/highlight/KeywordHighlightDialog.kt
@@ -50,7 +50,7 @@ class KeywordHighlightDialog(owner: Window) : DialogWrapper(owner) {
             ).apply { Disposer.register(disposable, this) }
         )
 
-        if (accountManager.isSigned()) {
+        if (accountManager.hasTeamFeature()) {
             for (team in accountManager.getTeams()) {
                 tabbed.addTab(
                     team.name,
diff --git a/src/main/kotlin/app/termora/keymgr/KeyManagerDialog.kt b/src/main/kotlin/app/termora/keymgr/KeyManagerDialog.kt
index d550f30..18e8561 100644
--- a/src/main/kotlin/app/termora/keymgr/KeyManagerDialog.kt
+++ b/src/main/kotlin/app/termora/keymgr/KeyManagerDialog.kt
@@ -63,7 +63,7 @@ class KeyManagerDialog(
             KeyManagerPanel(AccountOwner(accountManager.getAccountId(), accountManager.getEmail(), OwnerType.User))
         )
 
-        if (accountManager.isSigned()) {
+        if (accountManager.hasTeamFeature()) {
             for (team in accountManager.getTeams()) {
                 tabbed.addTab(
                     team.name,
diff --git a/src/main/kotlin/app/termora/tag/TagDialog.kt b/src/main/kotlin/app/termora/tag/TagDialog.kt
index 8b41cf7..c4db73a 100644
--- a/src/main/kotlin/app/termora/tag/TagDialog.kt
+++ b/src/main/kotlin/app/termora/tag/TagDialog.kt
@@ -51,7 +51,7 @@ class TagDialog(owner: Window, private val accountOwnerId: String = StringUtils.
             ).apply { Disposer.register(disposable, this) }
         )
 
-        if (accountManager.isSigned()) {
+        if (accountManager.hasTeamFeature()) {
             for (team in accountManager.getTeams()) {
                 tabbed.addTab(
                     team.name,