diff --git a/next/kmp/browser/src/commonMain/kotlin/org/dweb_browser/browser/web/model/BrowserViewModel.kt b/next/kmp/browser/src/commonMain/kotlin/org/dweb_browser/browser/web/model/BrowserViewModel.kt
index a5af3efdf..4517ff450 100644
--- a/next/kmp/browser/src/commonMain/kotlin/org/dweb_browser/browser/web/model/BrowserViewModel.kt
+++ b/next/kmp/browser/src/commonMain/kotlin/org/dweb_browser/browser/web/model/BrowserViewModel.kt
@@ -46,6 +46,7 @@ import org.dweb_browser.helper.clamp
 import org.dweb_browser.helper.compose.compositionChainOf
 import org.dweb_browser.helper.encodeURIComponent
 import org.dweb_browser.helper.format
+import org.dweb_browser.helper.humanTrim
 import org.dweb_browser.helper.isDwebDeepLink
 import org.dweb_browser.helper.isTrimEndSlashEqual
 import org.dweb_browser.helper.platform.toByteArray
@@ -356,7 +357,7 @@ class BrowserViewModel(
    * 否：将 url 进行判断封装，符合条件后，判断当前界面是否是 BrowserWebPage，然后进行搜索操作
    */
   fun doIOSearchUrl(searchText: String) = lifecycleScope.launch {
-    val text = searchText.trim().trim('\u200B').trim()
+    val text = searchText.humanTrim()
     if (text.isDwebDeepLink()) {
       browserNMM.nativeFetch(text)
       return@launch
diff --git a/next/kmp/browser/src/commonMain/kotlin/org/dweb_browser/browser/web/ui/BrowserSearchPanel.kt b/next/kmp/browser/src/commonMain/kotlin/org/dweb_browser/browser/web/ui/BrowserSearchPanel.kt
index 65e8deb8a..f7f886c70 100644
--- a/next/kmp/browser/src/commonMain/kotlin/org/dweb_browser/browser/web/ui/BrowserSearchPanel.kt
+++ b/next/kmp/browser/src/commonMain/kotlin/org/dweb_browser/browser/web/ui/BrowserSearchPanel.kt
@@ -40,6 +40,7 @@ import androidx.compose.ui.focus.focusRequester
 import androidx.compose.ui.graphics.SolidColor
 import androidx.compose.ui.platform.LocalFocusManager
 import androidx.compose.ui.text.input.ImeAction
+import androidx.compose.ui.text.input.KeyboardType
 import androidx.compose.ui.text.input.VisualTransformation
 import kotlinx.coroutines.delay
 import org.dweb_browser.browser.web.model.BrowserViewModel
@@ -129,7 +130,10 @@ class BrowserSearchPanel(val viewModel: BrowserViewModel) {
           lineLimits = TextFieldLineLimits.SingleLine,
           textStyle = LocalTextStyle.current.copy(color = searchFieldColors.focusedTextColor),
           cursorBrush = SolidColor(searchFieldColors.cursorColor),
-          keyboardOptions = KeyboardOptions(imeAction = ImeAction.Search),
+          keyboardOptions = KeyboardOptions(
+            imeAction = ImeAction.Search,
+            keyboardType = KeyboardType.Uri,
+          ),
           onKeyboardAction = {
             focusManager.clearFocus()
             suggestionActions.firstOrNull()?.invoke()
diff --git a/next/kmp/browser/src/commonMain/kotlin/org/dweb_browser/browser/web/ui/search/SearchSuggestion.kt b/next/kmp/browser/src/commonMain/kotlin/org/dweb_browser/browser/web/ui/search/SearchSuggestion.kt
index a446cc65b..13c3e1112 100644
--- a/next/kmp/browser/src/commonMain/kotlin/org/dweb_browser/browser/web/ui/search/SearchSuggestion.kt
+++ b/next/kmp/browser/src/commonMain/kotlin/org/dweb_browser/browser/web/ui/search/SearchSuggestion.kt
@@ -37,11 +37,13 @@ import androidx.compose.ui.zIndex
 import kotlinx.coroutines.CancellationException
 import kotlinx.coroutines.SupervisorJob
 import kotlinx.coroutines.cancel
+import kotlinx.coroutines.delay
 import kotlinx.coroutines.job
 import kotlinx.coroutines.launch
 import org.dweb_browser.browser.BrowserI18nResource
 import org.dweb_browser.browser.web.model.LocalBrowserViewModel
 import org.dweb_browser.browser.web.model.page.BrowserWebPage
+import org.dweb_browser.helper.humanTrim
 
 internal enum class TabId {
   Chat,
@@ -93,17 +95,22 @@ internal fun SearchSuggestion(
     }
     DisposableEffect(searchText) {
       web3Searcher?.cancel(CancellationException("Cancel search"))
-      web3Searcher = when {
-        searchText.isEmpty() -> null
-        else -> {
-          val parentScope = viewModel.browserNMM.getRuntimeScope()
-          Web3Searcher(
-            coroutineContext = parentScope.coroutineContext + SupervisorJob(parentScope.coroutineContext.job),
-            searchText = searchText
-          )
+      val job = scope.launch {
+        delay(150)// 防抖
+        val keyword = searchText.humanTrim()
+        web3Searcher = when {
+          keyword.isEmpty() -> null
+          else -> {
+            val parentScope = viewModel.browserNMM.getRuntimeScope()
+            Web3Searcher(
+              coroutineContext = parentScope.coroutineContext + SupervisorJob(parentScope.coroutineContext.job),
+              searchText = keyword
+            )
+          }
         }
       }
       onDispose {
+        job.cancel()
         web3Searcher?.cancel(CancellationException("Cancel search"))
         web3Searcher = null
       }
diff --git a/next/kmp/browser/src/commonMain/kotlin/org/dweb_browser/browser/web/ui/search/Web3Searcher.kt b/next/kmp/browser/src/commonMain/kotlin/org/dweb_browser/browser/web/ui/search/Web3Searcher.kt
index 149d4f26c..330b068ac 100644
--- a/next/kmp/browser/src/commonMain/kotlin/org/dweb_browser/browser/web/ui/search/Web3Searcher.kt
+++ b/next/kmp/browser/src/commonMain/kotlin/org/dweb_browser/browser/web/ui/search/Web3Searcher.kt
@@ -19,8 +19,8 @@ import org.dweb_browser.core.std.dns.httpFetch
 import org.dweb_browser.helper.Once
 import org.dweb_browser.helper.commonConsumeEachArrayRange
 import org.dweb_browser.helper.hexString
+import org.dweb_browser.helper.isNoProtocolWebUrl
 import org.dweb_browser.helper.isWebUrl
-import org.dweb_browser.helper.isWebUrlOrWithoutProtocol
 import org.dweb_browser.helper.toWebUrl
 import org.dweb_browser.helper.utf8String
 import org.dweb_browser.pure.crypto.hash.sha256
@@ -31,8 +31,18 @@ import kotlin.coroutines.CoroutineContext
 
 internal class Web3Searcher(
   override val coroutineContext: CoroutineContext,
-  val searchText: String,
+  val searchTexts: List<String>,
 ) : CoroutineScope {
+  constructor(coroutineContext: CoroutineContext, searchText: String) : this(
+    coroutineContext, when {
+      searchText.contains(' ') -> listOf(
+        searchText.replace(Regex("\\s+"), "-"),
+        searchText.replace(Regex("\\s+"), ""),
+      )
+
+      else -> listOf(searchText)
+    }
+  )
 
   /**
    * 这是新语法，如果你的IDE报错：
@@ -118,27 +128,30 @@ internal class Web3Searcher(
       // 创建一个 Semaphore 来限制并发数为 5
       val semaphore = Semaphore(5)
       flow {
-        if (searchText.isWebUrl()) {
-          emit(searchText)
-          return@flow
-        }
-        if (searchText.isWebUrlOrWithoutProtocol()) {
-          emit("https://$searchText")
-          emit("https://dweb.$searchText")
-        }
-        flow {
-          emit("com")
-          emit("org")
-          emit("net")
-        }.collect { top ->
-          emit("https://$searchText.$top")
-          emit("https://www.$searchText.$top")
-          emit("https://dweb.$searchText.$top")
-          emit("https://dweb-$searchText.$top")
-          emit("https://$searchText-dweb.$top")
+        searchTexts.forEach { searchText ->
+          when {
+            searchText.isWebUrl() -> emit(searchText)
+            searchText.isNoProtocolWebUrl() -> {
+              emit("https://$searchText")
+              emit("https://dweb.$searchText")
+            }
+
+            else -> {
+              flow {
+                emit("com")
+                emit("org")
+                emit("net")
+              }.collect { top ->
+                emit("https://$searchText.$top")
+                emit("https://www.$searchText.$top")
+                emit("https://dweb.$searchText.$top")
+                emit("https://dweb-$searchText.$top")
+                emit("https://$searchText-dweb.$top")
+              }
+            }
+          }
         }
-      }
-        .collect { originHref ->
+      }.collect { originHref ->
           launch {
             semaphore.withPermit {
               val originUrl = originHref.toWebUrl() ?: return@withPermit
diff --git a/next/kmp/helper/src/commonMain/kotlin/org/dweb_browser/helper/stringHelper.kt b/next/kmp/helper/src/commonMain/kotlin/org/dweb_browser/helper/stringHelper.kt
index 6690235f9..88d29de7a 100644
--- a/next/kmp/helper/src/commonMain/kotlin/org/dweb_browser/helper/stringHelper.kt
+++ b/next/kmp/helper/src/commonMain/kotlin/org/dweb_browser/helper/stringHelper.kt
@@ -1,3 +1,32 @@
 package org.dweb_browser.helper
 
-public fun String.removeInvisibleChars(): String = replace(Regex("[\\p{C}\\p{Z}&&[^\\p{Zs}]]"), "")
\ No newline at end of file
+public fun String.removeInvisibleChars(): String = replace(Regex("[\\p{C}\\p{Z}&&[^\\p{Zs}]]"), "")
+
+public fun String.humanTrim(): String = trim(
+  // 零宽字符：
+  '\u200B',//零宽空格 (ZWSP)
+  '\u200C',//零宽非连接符 (ZWNJ)
+  '\u200D',//零宽连接符 (ZWJ)
+
+  // 常见的空白字符：
+
+  '\u0020',// 普通空格 (Space)
+  '\u00A0',// 不间断空格 (Non-breaking space)
+  '\u1680',// 赡养符 (Ogham space mark)
+  '\u2000',// 到 \u200A 一系列空格（各种宽度的空格）
+// 格式控制字符（这些字符主要用于控制文本格式，通常在现代文本中不再使用，但在某些场景中仍然可能出现）：
+
+  '\u200B',// 零宽空格（Zero Width Space）
+  '\u200C',// 零宽非连接符（Zero Width Non-Joiner）
+  '\u200D',// 零宽连接符（Zero Width Joiner）
+  '\u200E',// 左到右标记（Left-to-Right Mark, LRM）
+  '\u200F',// 右到左标记（Right-to-Left Mark, RLM）
+  '\u202A',// 到 \u202E 一些文本方向控制字符（如：右到左方向标记、强制方向标记等）
+// 换行符与回车符：
+
+  '\u000A',// 换行符（Line Feed, LF）
+  '\u000D',// 回车符（Carriage Return, CR）
+  '\u2028',// 行分隔符（Line Separator）
+  '\u2029',// 段分隔符（Paragraph Separator）
+
+)
\ No newline at end of file