优化

app/src/main/java/io/legado/app/ui/main/my/MyFragment.kt

@@ -67,6 +67,9 @@ class MyFragment : BaseFragment(R.layout.fragment_my_config) {
             putPrefBoolean(PreferKey.webService, WebService.isRun)
             addPreferencesFromResource(R.xml.pref_main)
             findPreference<SwitchPreference>("webService")?.onLongClick {
+                if (!WebService.isRun) {
+                    return@onLongClick false
+                }
                 context?.selector(arrayListOf("复制地址", "浏览器打开")) { _, i ->
                     when (i) {
                         0 -> context?.sendToClip(it.summary.toString())

app/src/main/java/io/legado/app/ui/widget/prefs/Preference.kt

@@ -116,8 +116,10 @@ class Preference(context: Context, attrs: AttributeSet) :
             isBottomBackground = isBottomBackground
         )
         super.onBindViewHolder(holder)
-        holder.itemView.onLongClick {
-            onLongClick?.invoke(this)
+        onLongClick?.let { listener ->
+            holder.itemView.onLongClick {
+                listener.invoke(this)
+            }
         }
     }
 

app/src/main/java/io/legado/app/ui/widget/prefs/SwitchPreference.kt

@@ -37,8 +37,10 @@ class SwitchPreference(context: Context, attrs: AttributeSet) :
             v.applyTint(context.accentColor)
         }
         super.onBindViewHolder(holder)
-        holder.itemView.setOnLongClickListener {
-            onLongClick?.invoke(this) ?: false
+        onLongClick?.let { listener ->
+            holder.itemView.setOnLongClickListener {
+                listener.invoke(this)
+            }
         }
     }