diff --git a/qml/debug/logviewer/main.qml b/qml/debug/logviewer/main.qml
index 43de76f..f8d26d1 100644
--- a/qml/debug/logviewer/main.qml
+++ b/qml/debug/logviewer/main.qml
@@ -72,8 +72,45 @@ Rectangle {
 
     onLogDirectoryChanged: { refreshFileList() }
 
-    ListModel{
-        id: logModel
+    ListModel { id: logModel }
+
+    property string regexPattern: ""
+
+    function applyRegexFilter() {
+        // 先拼出所有行（plain + html 两份）
+        var plainLines = []
+        var htmlLines = []
+        for (var i = 0; i < logModel.count; i++) {
+            var item = logModel.get(i)
+            var plain = "["+item.time+"] ["+item.level+"] ["+item.tag+"] "+item.message
+            plainLines.push(plain)
+            htmlLines.push('<span style="color:'+item.color+'">'+plain.replace(/&/g,"&amp;").replace(/</g,"&lt;")+'</span>')
+        }
+
+        if (!regexPattern) {
+            logTextArea.text = htmlLines.join("<br/>")
+            return
+        }
+
+        try {
+            var re = new RegExp(regexPattern, "gim")
+            var fullText = plainLines.join("\n")
+            var resultHtml = []
+            var match
+            while ((match = re.exec(fullText)) !== null) {
+                // 找到匹配片段，按行拆分后重新着色
+                var matchedLines = match[0].split("\n")
+                matchedLines.forEach(function(ml) {
+                    // 找对应原始行的颜色
+                    var idx = plainLines.indexOf(ml)
+                    var color = idx >= 0 ? logModel.get(idx).color : "#000"
+                    resultHtml.push('<span style="color:'+color+'">'+ml.replace(/&/g,"&amp;").replace(/</g,"&lt;")+'</span>')
+                })
+            }
+            logTextArea.text = resultHtml.join("<br/>")
+        } catch(e) {
+            logTextArea.text = htmlLines.join("<br/>")
+        }
     }
     Rectangle {
         id: bar
@@ -241,11 +278,13 @@ Rectangle {
                 }
             })
             tagFilter.model = ["ALL"].concat(Array.from(allTags))
+            applyRegexFilter()
         } catch(e) {
             console.error("Error in updateLogDisplay:", e)
         }
     }
     Rectangle {
+        id: logViewContainer
         anchors.top: bar.bottom
         anchors.left: fileSystemViewContainer.right
         anchors.right: parent.right
@@ -256,36 +295,74 @@ Rectangle {
         anchors.rightMargin: 23
         radius: 9
         clip: true
-    // Log display
-        ListView {
-            anchors.fill: parent
-            anchors.margins: 10
-            boundsBehavior: Flickable.StopAtBounds
-            model: logModel
-            ScrollBar.vertical: ScrollBar{}
-            delegate: Item {
-                
-                height: 20
-                Row {
-                    spacing: 5
-                    Text {
-                        text: "["+model.time+"]"
-                        color: "gray"
-                        
-                    }
-                    
-                    Text {
-                        text: "["+model.level+"]"
-                        color: model.color
-                    }
 
-                    Text {
-                        text: "["+model.tag+"]"
-                        color: model.color
+        // 正则搜索栏
+        Rectangle {
+            id: searchBar
+            anchors.top: parent.top
+            anchors.left: parent.left
+            anchors.right: parent.right
+            anchors.margins: 8
+            height: 32
+            radius: 6
+            color: "#f0f0f0"
+            border.color: regexError ? "red" : "#cccccc"
+            border.width: 1
+
+            property bool regexError: false
+
+            Row {
+                anchors.fill: parent
+                anchors.leftMargin: 8
+                anchors.rightMargin: 8
+                spacing: 6
+                Text {
+                    anchors.verticalCenter: parent.verticalCenter
+                    text: "正则:"
+                    font.pixelSize: 13
+                    color: "#555"
+                }
+                TextInput {
+                    id: regexInput
+                    anchors.verticalCenter: parent.verticalCenter
+                    width: parent.width - 50
+                    font.pixelSize: 13
+                    onTextChanged: {
+                        try {
+                            if (text) new RegExp(text)
+                            searchBar.regexError = false
+                        } catch(e) {
+                            searchBar.regexError = true
+                        }
+                        if (!searchBar.regexError) {
+                            regexPattern = text
+                            applyRegexFilter()
+                        }
                     }
-                    Text {
-                        text: model.message
-                        color: model.color
+                }
+            }
+        }
+
+        ScrollView {
+            anchors.top: searchBar.bottom
+            anchors.left: parent.left
+            anchors.right: parent.right
+            anchors.bottom: parent.bottom
+            anchors.margins: 10
+            anchors.topMargin: 6
+            TextArea {
+                id: logTextArea
+                readOnly: true
+                selectByMouse: true
+                textFormat: TextEdit.RichText
+                wrapMode: TextEdit.NoWrap
+                font.pixelSize: 13
+                font.family: "Courier New"
+                background: null
+                Keys.onPressed: function(event) {
+                    if (event.matches(StandardKey.Copy)) {
+                        logTextArea.copy()
+                        event.accepted = true
                     }
                 }
             }