...

app/src/main/java/com/base/browserwhite/bean/BookmarkBean.kt

 package com.base.browserwhite.bean
 
 
-data class BookmarkBean(
+class BookmarkBean(
     var folder: String = folderRoot,
     var name: String = "",
     var url: String = "",
     var isFolder: Boolean = false,
-    var color: Int =0
-) {
+    var color: Int = 0
+) : SpBean() {
     val viewType: Int = 0
-    var isSelect:Boolean=false
+    var isSelect: Boolean = false
+
     companion object {
         var folderRoot = "Root Directory"
     }

app/src/main/java/com/base/browserwhite/bean/SpBean.kt

+package com.base.browserwhite.bean
+
+abstract class SpBean(var id: Long = 0) {
+}
\ No newline at end of file

app/src/main/java/com/base/browserwhite/ui/activity/bookmark/BookmarkEditActivity.kt

@@ -63,10 +63,10 @@ class BookmarkEditActivity : BaseActivity<ActivityBookmarkEditBinding>() {
             }
             if (editBookmark?.folder != BookmarkBean.folderRoot) {
                 val folderBean = BookmarkBean(name = editBookmark?.folder ?: "", isFolder = true)
-                SpBeanUtils.addSpBean(BOOKMARK_SP_KEY, Gson().toJson(folderBean))
+                SpBeanUtils.addSpBean(BOOKMARK_SP_KEY, folderBean)
             }
             editBookmark?.color = ColorUtils.getRandomColor()
-            SpBeanUtils.addSpBean(BOOKMARK_SP_KEY, Gson().toJson(editBookmark))
+            editBookmark?.let { SpBeanUtils.addSpBean(BOOKMARK_SP_KEY, it) }
             finish()
         }
     }

app/src/main/java/com/base/browserwhite/ui/activity/bookmark/BookmarkFolderAddActivity.kt

@@ -42,7 +42,7 @@ class BookmarkFolderAddActivity : BaseActivity<ActivityBookmarkFolderAddBinding>
         }
         binding.tvSave.setOnClickListener {
             val bookmarkBean = BookmarkBean(name = binding.editName.text.toString(), isFolder = true)
-            SpBeanUtils.addSpBean(BOOKMARK_SP_KEY, Gson().toJson(bookmarkBean))
+            SpBeanUtils.addSpBean(BOOKMARK_SP_KEY, bookmarkBean)
             finish()
         }
     }

app/src/main/java/com/base/browserwhite/ui/fragment/HomeFragment.kt

@@ -145,7 +145,7 @@ class HomeFragment : BaseFragment<FragmentHomeBinding>() {
                     requireContext().startActivity(
                         Intent(
                             requireContext(),
-                            BookMarkActivity::class.java
+                            BookmarkActivity::class.java
                         )
                     )
                     requireContext().startActivity(Intent(requireContext(), BookmarkActivity::class.java))

app/src/main/java/com/base/browserwhite/utils/SpBeanUtils.kt

 package com.base.browserwhite.utils
 
+import com.base.browserwhite.bean.SpBean
+import com.google.gson.Gson
+
 object SpBeanUtils {
 
 
@@ -15,25 +18,25 @@ object SpBeanUtils {
             sp.split("|||")
         }
     }
-    fun deleteSpBeanCondition(key: String, value: String,condition:String) {
-        val list = getSpBeanList(key).toMutableList()
-        list.remove(value)
 
-        val string = list.joinToString(separator = "|||")
+    fun deleteSpBeanCondition(key: String, id: Long) {
 
-        AppPreferences.getInstance().put(key, string)
-    }
+        val list =getSpBeanList(key).toMutableList()
+        val deleteItem = list .find { Gson().fromJson(it, SpBean::class.java).id == id }
+        list.remove(deleteItem)
 
-    fun deleteSpBean(key: String, value: String) {
-        val list = getSpBeanList(key).toMutableList()
-        list.remove(value)
         val string = list.joinToString(separator = "|||")
 
         AppPreferences.getInstance().put(key, string)
     }
 
-    fun addSpBean(key: String, value: String) {
+
+
+    fun addSpBean(key: String, bean: SpBean) {
         val list = getSpBeanList(key).toMutableList()
+        val lastSpBean: SpBean? = Gson().fromJson(list.last(), SpBean::class.java)
+        bean.id = (lastSpBean?.id ?: 0) + 1
+        val value = Gson().toJson(bean)
         list.add(value)
         val string = list.joinToString(separator = "|||")
         AppPreferences.getInstance().put(key, string)