diff --git a/app/src/main/java/com/osfans/trime/ime/core/TrimeInputMethodService.kt b/app/src/main/java/com/osfans/trime/ime/core/TrimeInputMethodService.kt
index 74d33ae149..1de2fb915f 100644
--- a/app/src/main/java/com/osfans/trime/ime/core/TrimeInputMethodService.kt
+++ b/app/src/main/java/com/osfans/trime/ime/core/TrimeInputMethodService.kt
@@ -101,6 +101,7 @@ open class TrimeInputMethodService : LifecycleInputMethodService() {
     private var mCompositionPopupWindow: CompositionPopupWindow? = null
     var candidateExPage = false
 
+    var shouldUpdateRimeOption = false
     var shouldResetAsciiMode = false
 
     private val cursorCapsMode: Int
@@ -185,12 +186,16 @@ open class TrimeInputMethodService : LifecycleInputMethodService() {
         val theme = ThemeManager.activeTheme
         shouldResetAsciiMode = theme.generalStyle.resetASCIIMode
         isAutoCaps = theme.generalStyle.autoCaps.toBoolean()
+        shouldUpdateRimeOption = true
     }
 
     private fun updateRimeOption(): Boolean {
         try {
-            Rime.setOption("soft_cursor", prefs.keyboard.softCursorEnabled) // 軟光標
-            Rime.setOption("_horizontal", ThemeManager.activeTheme.generalStyle.horizontal) // 水平模式
+            if (shouldUpdateRimeOption) {
+                Rime.setOption("soft_cursor", prefs.keyboard.softCursorEnabled) // 軟光標
+                Rime.setOption("_horizontal", ThemeManager.activeTheme.generalStyle.horizontal) // 水平模式
+                shouldUpdateRimeOption = false
+            }
         } catch (e: Exception) {
             Timber.e(e)
             return false
@@ -324,6 +329,7 @@ open class TrimeInputMethodService : LifecycleInputMethodService() {
 
         loadConfig()
         KeyboardSwitcher.newOrReset()
+        shouldUpdateRimeOption = true // 不能在Rime.onMessage中調用set_option，會卡死
         bindKeyboardToInputView()
         updateComposing() // 切換主題時刷新候選
         setInputView(inputView!!)
diff --git a/app/src/main/java/com/osfans/trime/ime/text/TextInputManager.kt b/app/src/main/java/com/osfans/trime/ime/text/TextInputManager.kt
index 9536c7d837..4d74c63abb 100644
--- a/app/src/main/java/com/osfans/trime/ime/text/TextInputManager.kt
+++ b/app/src/main/java/com/osfans/trime/ime/text/TextInputManager.kt
@@ -64,6 +64,11 @@ class TextInputManager(
     var needSendUpRimeKey: Boolean = false
     var isComposable: Boolean = false
 
+    private var shouldUpdateRimeOption
+        get() = trime.shouldUpdateRimeOption
+        set(value) {
+            trime.shouldUpdateRimeOption = value
+        }
     private val shouldResetAsciiMode get() = trime.shouldResetAsciiMode
 
     // TODO: move things using this context to InputView scope.
@@ -231,8 +236,10 @@ class TextInputManager(
                         KeyboardSwitcher.switchKeyboard(keyboard)
                         trime.bindKeyboardToInputView()
                     } else if (option.startsWith("_key_") && option.length > 5 && value) {
+                        shouldUpdateRimeOption = false // 防止在 handleRimeNotification 中 setOption
                         val key = option.substring(5)
                         onEvent(EventManager.getEvent(key))
+                        shouldUpdateRimeOption = true
                     }
             }
         }
@@ -252,8 +259,11 @@ class TextInputManager(
                 ", Event.getRimeEvent=" + Event.getRimeEvent(keyEventCode, Rime.META_RELEASE_ON),
         )
         if (needSendUpRimeKey) {
-            Rime.setOption("soft_cursors", prefs.keyboard.softCursorEnabled)
-            Rime.setOption("_horizontal", ThemeManager.activeTheme.generalStyle.horizontal)
+            if (shouldUpdateRimeOption) {
+                Rime.setOption("soft_cursors", prefs.keyboard.softCursorEnabled)
+                Rime.setOption("_horizontal", ThemeManager.activeTheme.generalStyle.horizontal)
+                shouldUpdateRimeOption = false
+            }
             // todo 释放按键可能不对
             val event = Event.getRimeEvent(keyEventCode, Rime.META_RELEASE_ON)
             Rime.processKey(event[0], event[1])