fix: get notification template failed

backend/drizzle/meta/_journal.json

@@ -33,9 +33,9 @@
     {
       "idx": 4,
       "version": "6",
-      "when": 1751016668000,
-      "tag": "0004_lame_mercenary",
+      "when": 1762361284317,
+      "tag": "0004_many_avengers",
       "breakpoints": true
     }
   ]
-}
+}

backend/src/db/generated-migrations.ts

@@ -228,7 +228,7 @@ CREATE INDEX IF NOT EXISTS \`monitor_status_history_24h_monitor_timestamp_idx\`
     sql: `CREATE INDEX IF NOT EXISTS \`monitor_status_history_24h_timestamp_idx\` ON \`monitor_status_history_24h\` (\`timestamp\`);`
   },
   {
-    name: "0004_lame_mercenary.sql",
+    name: "0004_many_avengers.sql",
     sql: `CREATE TABLE IF NOT EXISTS \`settings\` (
 	\`key\` text PRIMARY KEY NOT NULL,
 	\`value\` text

backend/src/repositories/notification.ts

@@ -182,15 +182,35 @@ export const updateNotificationTemplate = async (
     Omit<NotificationTemplate, "id" | "created_at" | "updated_at">
   >
 ): Promise<boolean> => {
+  const updateData: Partial<typeof notificationTemplates.$inferInsert> = {};
+
+  if (template.name !== undefined) {
+    updateData.name = template.name;
+  }
+
+  if (template.type !== undefined) {
+    updateData.type = template.type;
+  }
+
+  if (template.subject !== undefined) {
+    updateData.subject = template.subject;
+  }
+
+  if (template.content !== undefined) {
+    updateData.content = template.content;
+  }
+
+  if (template.is_default !== undefined) {
+    updateData.is_default = template.is_default ? 1 : 0;
+  }
+
+  if (Object.keys(updateData).length === 0) {
+    return true; // 没有需要更新的字段时视为成功
+  }
+
   const result = await db
     .update(notificationTemplates)
-    .set({
-      name: template.name,
-      type: template.type,
-      subject: template.subject,
-      content: template.content,
-      is_default: template.is_default ? 1 : 0,
-    })
+    .set(updateData)
     .where(and(eq(notificationTemplates.id, id), eq(notificationTemplates.created_by, userId)));
 
   return result.success; // fix: 返回 success 布尔值

backend/src/services/NotificationService.ts

@@ -677,13 +677,23 @@ export async function sendNotification(
     const templates = await repositories.getNotificationTemplates(userId);
     console.log(`[发送通知] 获取到${templates.length}个通知模板`);
 
-    const defaultTemplate = templates.find(
+    let defaultTemplate = templates.find(
       (t) => t.is_default && t.type === type
     );
 
     if (!defaultTemplate) {
-      console.error(`[发送通知] 找不到类型为${type}的默认通知模板`);
-      return { success: false, results: [] };
+      const fallbackTemplate = templates.find((t) => t.type === type);
+
+      if (!fallbackTemplate) {
+        console.error(`[发送通知] 找不到类型为${type}的任何通知模板`);
+        return { success: false, results: [] };
+      }
+
+      console.warn(
+        `[发送通知] 找不到类型为${type}的默认通知模板，使用ID=${fallbackTemplate.id}作为回退模板`
+      );
+
+      defaultTemplate = fallbackTemplate;
     }
 
     console.log(