diff --git a/.idea/misc.xml b/.idea/misc.xml
index eaedeea..f2a2ad2 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -4,6 +4,9 @@
   <component name="FrameworkDetectionExcludesConfiguration">
     <file type="web" url="file://$PROJECT_DIR$" />
   </component>
+  <component name="PWA">
+    <option name="wasEnabledAtLeastOnce" value="true" />
+  </component>
   <component name="ProjectRootManager" version="2" languageLevel="JDK_23" default="true" project-jdk-name="openjdk-22" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
diff --git a/src/main/kotlin/Main.kt b/src/main/kotlin/Main.kt
index f96ac80..1e533d7 100644
--- a/src/main/kotlin/Main.kt
+++ b/src/main/kotlin/Main.kt
@@ -21,6 +21,10 @@ import androidx.compose.ui.window.Dialog
 import androidx.compose.ui.window.Window
 import androidx.compose.ui.window.application
 import core.*
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.async
+import kotlinx.coroutines.awaitAll
+import kotlinx.coroutines.runBlocking
 import ui.TextfieldWithLineNumber
 import utils.*
 
@@ -47,39 +51,43 @@ fun App() {
         }) {
           AlertDialog(
             title = {
-              Text(
-                text = when (page) {
-                  0 -> "函数定义的变量"
-                  1 -> "函数内每条语句的定义和使用"
-                  2 -> "函数内每个变量 def-use 链"
-                  3 -> "函数间每个变量 def-use 链"
-                  else -> "出错了"
-                },
-                color = Color.Black,
-                fontWeight = FontWeight.Bold,
-                fontSize = 24.sp,
-                textAlign = TextAlign.Center,
-                modifier = Modifier.padding(top = 10.dp)
-              )
+              Column(modifier = Modifier.fillMaxWidth(),
+                horizontalAlignment = Alignment.CenterHorizontally) {
+                Text(
+                  text = when (page) {
+                    0 -> "函数定义的变量"
+                    1 -> "函数内每条语句的定义和使用"
+                    2 -> "函数内每个变量 def-use 链"
+                    3 -> "函数间每个变量 def-use 链"
+                    else -> "出错了"
+                  },
+                  color = Color.Black,
+                  fontWeight = FontWeight.Bold,
+                  fontSize = 24.sp,
+                  textAlign = TextAlign.Center
+                )
+              }
             },
             text = {
-              Text(
-                text = when (page) {
-                  0 -> defineList
-                  1 -> useList
-                  2 -> traceTree
-                  3 -> funcTraceTree
-                  else -> "出错了(ง •̀_•́)ง"
-                },
-                modifier = Modifier
-                  .fillMaxSize()
-                  .verticalScroll(rememberScrollState())
-                  .wrapContentHeight(),
-                textAlign = TextAlign.Start,
-                color = Color.Black,
-                fontSize = 18.sp,
-                fontFamily = FontFamily("monospace")
-              )
+              Box(modifier = Modifier.fillMaxWidth()
+                .fillMaxHeight(0.8f)) {
+                Text(
+                  text = when (page) {
+                    0 -> defineList
+                    1 -> useList
+                    2 -> traceTree
+                    3 -> funcTraceTree
+                    else -> "出错了(ง •̀_•́)ง"
+                  },
+                  modifier = Modifier
+                    .fillMaxSize()
+                    .verticalScroll(rememberScrollState()),
+                  textAlign = TextAlign.Start,
+                  color = Color.Black,
+                  fontSize = 18.sp,
+                  fontFamily = FontFamily("monospace")
+                )
+              }
             },
             onDismissRequest = {
               showResult.value = false
@@ -157,6 +165,7 @@ fun App() {
               val def = getDefineList(sf.getDef())
               def.ifEmpty {
                 "分析失败：可能输入有错误！"
+                return@TextfieldWithLineNumber
               }
             } catch (e: Exception) {
               e.printStackTrace().toString()
@@ -166,12 +175,26 @@ fun App() {
           } catch (e: Exception) {
             e.printStackTrace().toString()
           }
+
+          // 异步获取 traceTree
           val relations = mutableMapOf<String, List<Relation>>()
           val traceTreeStr = StringBuilder()
-          sf.functions.forEach { func ->
-            traceTreeStr.append(getTraceTreeString(func.getTraceTree().getStringRepr(),func.name))
-            relations.putAll(parseRelation(func.name,func.getTraceTree().getStringRepr()))
+          runBlocking {
+            val deferredResults = sf.functions.map { func ->
+              async(Dispatchers.Default) {
+                val traceStr = getTraceTreeString(func.getTraceTree().getStringRepr(), func.name)
+                val parsedRelations = parseRelation(func.name, func.getTraceTree().getStringRepr())
+                Pair(traceStr, parsedRelations)
+              }
+            }
+
+            // 等待所有协程结束
+            deferredResults.awaitAll().forEach { (traceStr, parsedRelations) ->
+              traceTreeStr.append(traceStr)
+              relations.putAll(parsedRelations)
+            }
           }
+
           traceTree = traceTreeStr.toString()
 
           funcTraceTree =
diff --git a/src/main/kotlin/core/SourceFile.kt b/src/main/kotlin/core/SourceFile.kt
index 18debf5..6d8aaf5 100644
--- a/src/main/kotlin/core/SourceFile.kt
+++ b/src/main/kotlin/core/SourceFile.kt
@@ -182,7 +182,7 @@ class SourceFile {
   }
 
   /**
-   * 任务1：获取使用的值的情况
+   * 获取使用的值的情况
    * @return Map of<函数 to List<使用值的情况>>
    * @see utils.getUseList 获取要求的格式
    */