diff --git a/api/middleware/job/managers/jobManager.js b/api/middleware/job/managers/jobManager.js
index 64395c1..33e1c47 100644
--- a/api/middleware/job/managers/jobManager.js
+++ b/api/middleware/job/managers/jobManager.js
@@ -725,9 +725,9 @@ class JobManager {
                 };
             }
 
-            // 检查该公司是否在一个月内已投递过（避免连续投递同一公司）
-            const oneMonthAgo = new Date();
-            oneMonthAgo.setMonth(oneMonthAgo.getMonth() - 1);
+            // 检查该公司是否在 30 天内已投递过（超过 30 天可再投该公司其它岗位）
+            const thirtyDaysAgo = new Date();
+            thirtyDaysAgo.setDate(thirtyDaysAgo.getDate() - 30);
 
             const Sequelize = require('sequelize');
             const recentCompanyApply = await apply_records.findOne({
@@ -735,7 +735,7 @@ class JobManager {
                     sn_code: sn_code,
                     companyName: jobData.companyName,
                     applyTime: {
-                        [Sequelize.Op.gte]: oneMonthAgo
+                        [Sequelize.Op.gte]: thirtyDaysAgo
                     }
                 },
                 order: [['applyTime', 'DESC']]
@@ -743,18 +743,18 @@ class JobManager {
 
             if (recentCompanyApply) {
                 const daysAgo = Math.floor((new Date() - new Date(recentCompanyApply.applyTime)) / (1000 * 60 * 60 * 24));
-                console.log(`[工作管理] 跳过一个月内已投递的公司: ${jobData.companyName} (${daysAgo}天前投递过)`);
+                console.log(`[工作管理] 跳过30天内已投递的公司: ${jobData.companyName} (${daysAgo}天前投递过)`);
                 return {
                     success: false,
                     deliveredCount: 0,
                     failedCount: 1,
-                    message: `该公司在${daysAgo}天前已投递过，一个月内不重复投递`,
+                    message: `该公司在${daysAgo}天前已投递过，30天内不重复投递`,
                     deliveredJobs: [],
                     failedJobs: [{
                         jobId: jobData.jobId,
                         jobTitle: jobData.jobTitle,
                         companyName: jobData.companyName,
-                        error: `该公司在${daysAgo}天前已投递过，一个月内不重复投递`
+                        error: `该公司在${daysAgo}天前已投递过，30天内不重复投递`
                     }]
                 };
             }