diff --git a/client-api/src/main/java/org/jiayunet/controller/JobController.java b/client-api/src/main/java/org/jiayunet/controller/JobController.java
index 52c7700..fa1864b 100644
--- a/client-api/src/main/java/org/jiayunet/controller/JobController.java
+++ b/client-api/src/main/java/org/jiayunet/controller/JobController.java
@@ -5,6 +5,7 @@ import org.jiayunet.pojo.PageParam;
 import org.jiayunet.pojo.PageResult;
 import org.jiayunet.pojo.dto.job.JobDetailDto;
 import org.jiayunet.pojo.dto.job.JobDto;
+import org.jiayunet.pojo.param.job.JobApplyParam;
 import org.jiayunet.pojo.param.job.JobApplyQueryParam;
 import org.jiayunet.pojo.param.job.JobDislikeParam;
 import org.jiayunet.pojo.param.job.JobQueryParam;
@@ -19,7 +20,7 @@ import org.springframework.web.bind.annotation.*;
  * @author zk
  */
 @RestController
-@RequestMapping("/job")
+@RequestMapping("/api/job")
 @AllArgsConstructor
 public class JobController {
 
@@ -89,4 +90,13 @@ public class JobController {
         Long userId = UserSecurityTool.getUserId();
         return jobService.listApplications(param, userId);
     }
+
+    /**
+     * 投递岗位
+     */
+    @PostMapping("/apply")
+    public void applyJob(@Validated @RequestBody JobApplyParam param) {
+        Long userId = UserSecurityTool.getUserId();
+        jobService.applyJob(param.getJobId(), param.getStatus(), userId);
+    }
 }
diff --git a/client-api/src/main/java/org/jiayunet/pojo/param/job/JobApplyParam.java b/client-api/src/main/java/org/jiayunet/pojo/param/job/JobApplyParam.java
new file mode 100644
index 0000000..49768a9
--- /dev/null
+++ b/client-api/src/main/java/org/jiayunet/pojo/param/job/JobApplyParam.java
@@ -0,0 +1,26 @@
+package org.jiayunet.pojo.param.job;
+
+import lombok.Data;
+
+import javax.validation.constraints.Max;
+import javax.validation.constraints.Min;
+import javax.validation.constraints.NotNull;
+
+/**
+ * 投递岗位参数
+ *
+ * @author zk
+ */
+@Data
+public class JobApplyParam {
+
+    /** 岗位ID */
+    @NotNull(message = "岗位ID不能为空")
+    private Long jobId;
+
+    /** 投递状态 0=已投递 1=面试中 2=有Offer 3=未通过 4=已结束 */
+    @NotNull(message = "投递状态不能为空")
+    @Min(value = 0, message = "投递状态值范围0-4")
+    @Max(value = 4, message = "投递状态值范围0-4")
+    private Integer status;
+}
diff --git a/client-api/src/main/java/org/jiayunet/service/JobService.java b/client-api/src/main/java/org/jiayunet/service/JobService.java
index 45bb2f0..a4052be 100644
--- a/client-api/src/main/java/org/jiayunet/service/JobService.java
+++ b/client-api/src/main/java/org/jiayunet/service/JobService.java
@@ -429,4 +429,36 @@ public class JobService {
 
         return listJobs(queryParam, userId);
     }
+
+    /**
+     * 投递岗位
+     * <p>方法逻辑流程：</p>
+     * <p>1. 查询岗位信息（校验存在性）</p>
+     * <p>2. 检查是否已投递（已投递则更新状态）</p>
+     * <p>3. 插入或更新投递记录</p>
+     */
+    public void applyJob(Long jobId, Integer status, Long userId) {
+        // 1. 查询岗位
+        Job job = jobMapper.selectOne(new LambdaQueryWrapper<Job>().eq(Job::getId, jobId).eq(Job::getStatus, 0));
+        if (job == null) throw new RuntimeException("岗位不存在或已下架");
+
+        // 2. 检查是否已投递
+        UserJobApplication existing = userJobApplicationMapper.selectOne(new LambdaQueryWrapper<UserJobApplication>().eq(UserJobApplication::getUserId, userId).eq(UserJobApplication::getJobId, jobId));
+
+        if (existing != null) {
+            // 3a. 已投递，更新状态
+            existing.setStatus(status);
+            existing.setUpdateTime(Instant.now());
+            userJobApplicationMapper.updateById(existing);
+        } else {
+            // 3b. 未投递，插入记录
+            UserJobApplication application = new UserJobApplication();
+            application.setUserId(userId);
+            application.setJobId(jobId);
+            application.setStatus(status);
+            application.setApplyTime(Instant.now());
+            application.setCreateTime(Instant.now());
+            userJobApplicationMapper.insert(application);
+        }
+    }
 }