diff --git a/.idea/AndroidProjectSystem.xml b/.idea/AndroidProjectSystem.xml
new file mode 100644
index 0000000..4a53bee
--- /dev/null
+++ b/.idea/AndroidProjectSystem.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AndroidProjectSystem">
+    <option name="providerId" value="com.android.tools.idea.GradleProjectSystem" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/deploymentTargetSelector.xml b/.idea/deploymentTargetSelector.xml
new file mode 100644
index 0000000..b268ef3
--- /dev/null
+++ b/.idea/deploymentTargetSelector.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="deploymentTargetSelector">
+    <selectionStates>
+      <SelectionState runConfigName="app">
+        <option name="selectionMode" value="DROPDOWN" />
+      </SelectionState>
+    </selectionStates>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index 32522c1..639c779 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -1,8 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
+        <option name="testRunner" value="CHOOSE_PER_TEST" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
         <option name="gradleJvm" value="#GRADLE_LOCAL_JAVA_HOME" />
         <option name="modules">
@@ -11,7 +13,6 @@
             <option value="$PROJECT_DIR$/app" />
           </set>
         </option>
-        <option name="resolveExternalAnnotations" value="false" />
       </GradleProjectSettings>
     </option>
   </component>
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 0ad17cb..8978d23 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
   <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
diff --git a/.idea/runConfigurations.xml b/.idea/runConfigurations.xml
new file mode 100644
index 0000000..16660f1
--- /dev/null
+++ b/.idea/runConfigurations.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RunConfigurationProducerService">
+    <option name="ignoredProducers">
+      <set>
+        <option value="com.intellij.execution.junit.AbstractAllInDirectoryConfigurationProducer" />
+        <option value="com.intellij.execution.junit.AllInPackageConfigurationProducer" />
+        <option value="com.intellij.execution.junit.PatternConfigurationProducer" />
+        <option value="com.intellij.execution.junit.TestInClassConfigurationProducer" />
+        <option value="com.intellij.execution.junit.UniqueIdConfigurationProducer" />
+        <option value="com.intellij.execution.junit.testDiscovery.JUnitTestDiscoveryConfigurationProducer" />
+        <option value="org.jetbrains.kotlin.idea.junit.KotlinJUnitRunConfigurationProducer" />
+        <option value="org.jetbrains.kotlin.idea.junit.KotlinPatternConfigurationProducer" />
+      </set>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/app/src/main/java/net/micode/notes/ui/AlarmInitReceiver.java b/app/src/main/java/net/micode/notes/ui/AlarmInitReceiver.java
index f221202..737d1c5 100644
--- a/app/src/main/java/net/micode/notes/ui/AlarmInitReceiver.java
+++ b/app/src/main/java/net/micode/notes/ui/AlarmInitReceiver.java
@@ -23,6 +23,7 @@ import android.content.ContentUris;
 import android.content.Context;
 import android.content.Intent;
 import android.database.Cursor;
+import android.os.Build;
 
 import net.micode.notes.data.Notes;
 import net.micode.notes.data.Notes.NoteColumns;
@@ -31,8 +32,8 @@ import net.micode.notes.data.Notes.NoteColumns;
 public class AlarmInitReceiver extends BroadcastReceiver {
 
     private static final String [] PROJECTION = new String [] {
-        NoteColumns.ID,
-        NoteColumns.ALERTED_DATE
+            NoteColumns.ID,
+            NoteColumns.ALERTED_DATE
     };
 
     private static final int COLUMN_ID                = 0;
@@ -53,13 +54,33 @@ public class AlarmInitReceiver extends BroadcastReceiver {
                     long alertDate = c.getLong(COLUMN_ALERTED_DATE);
                     Intent sender = new Intent(context, AlarmReceiver.class);
                     sender.setData(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, c.getLong(COLUMN_ID)));
-                    PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, sender, 0);
-                    AlarmManager alermManager = (AlarmManager) context
+
+                    // 修复：添加 FLAG_IMMUTABLE 标志
+                    PendingIntent pendingIntent;
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+                        pendingIntent = PendingIntent.getBroadcast(
+                                context,
+                                0,
+                                sender,
+                                PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_IMMUTABLE
+                        );
+                    } else {
+                        pendingIntent = PendingIntent.getBroadcast(
+                                context,
+                                0,
+                                sender,
+                                PendingIntent.FLAG_UPDATE_CURRENT
+                        );
+                    }
+
+                    AlarmManager alarmManager = (AlarmManager) context
                             .getSystemService(Context.ALARM_SERVICE);
-                    alermManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent);
+
+                    // 额外修复：修正变量名拼写错误
+                    alarmManager.set(AlarmManager.RTC_WAKEUP, alertDate, pendingIntent);
                 } while (c.moveToNext());
             }
             c.close();
         }
     }
-}
+}
\ No newline at end of file