diff --git a/app/src/main/java/com/huanchengfly/tieba/post/BaseApplication.kt b/app/src/main/java/com/huanchengfly/tieba/post/BaseApplication.kt
index 107c3435..9336095e 100644
--- a/app/src/main/java/com/huanchengfly/tieba/post/BaseApplication.kt
+++ b/app/src/main/java/com/huanchengfly/tieba/post/BaseApplication.kt
@@ -4,7 +4,6 @@ import android.app.Activity
 import android.app.ActivityManager
 import android.app.Application
 import android.app.Dialog
-import android.content.ClipboardManager
 import android.content.Context
 import android.content.Intent
 import android.content.res.ColorStateList
@@ -87,30 +86,20 @@ class BaseApplication : Application(), IApp {
         AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM)
         LitePal.initialize(this)
         registerActivityLifecycleCallbacks(object : ActivityLifecycleCallbacks {
-            private var clipBoardHash: Int = 0
+            private var clipBoardHash: String? = null
             private fun updateClipBoardHashCode() {
                 clipBoardHash = getClipBoardHash()
             }
 
-            private fun getClipBoardHash(): Int {
-                val cm = getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager
-                val data = cm.primaryClip
-                if (data != null) {
-                    val item = data.getItemAt(0)
-                    return item.hashCode()
-                }
-                return 0
+            private fun getClipBoardHash(): String? {
+                return "$clipBoard $clipBoardTimestamp"
             }
 
-            private val clipBoard: String
-                get() {
-                    val cm = getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager
-                    val data = cm.primaryClip ?: return ""
-                    val item = data.getItemAt(0)
-                    return if (item == null || item.text == null) {
-                        ""
-                    } else item.text.toString()
-                }
+            private val clipBoard: String?
+                get() = getClipBoardText()
+
+            private val clipBoardTimestamp: Long
+                get() = getClipBoardTimestamp()
 
             private fun isTiebaDomain(host: String?): Boolean {
                 return host != null && (host.equals("wapp.baidu.com", ignoreCase = true) ||
diff --git a/app/src/main/java/com/huanchengfly/tieba/post/utils/ClipBoardUtils.kt b/app/src/main/java/com/huanchengfly/tieba/post/utils/ClipBoardUtils.kt
new file mode 100644
index 00000000..71f66cf5
--- /dev/null
+++ b/app/src/main/java/com/huanchengfly/tieba/post/utils/ClipBoardUtils.kt
@@ -0,0 +1,38 @@
+package com.huanchengfly.tieba.post.utils
+
+import android.content.ClipboardManager
+import android.content.Context
+import android.os.Build
+
+private val Context.clipBoardManager
+    get() = getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager
+
+fun Context.getClipBoardHtmlText(): String? {
+    val data = clipBoardManager.primaryClip ?: return null
+    val item = data.getItemAt(0)
+    return item?.coerceToHtmlText(this)
+}
+
+fun Context.getClipBoardText(): String? {
+    val data = clipBoardManager.primaryClip ?: return null
+    val item = data.getItemAt(0)
+    return item?.coerceToText(this)?.toString()
+}
+
+fun Context.getClipBoardTimestamp(): Long {
+    val clipDescription = clipBoardManager.primaryClipDescription ?: return 0
+    var timestamp = 0L
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+        timestamp = clipDescription.timestamp
+    } else {
+        try {
+            val clazz = clipDescription.javaClass
+            val timestampField = clazz.getDeclaredField("mTimestamp")
+            timestampField.isAccessible = true
+            timestamp = timestampField.getLong(clipDescription)
+        } catch (e: NoSuchFieldException) {
+        } catch (e: IllegalAccessException) {
+        }
+    }
+    return timestamp
+}
\ No newline at end of file