diff --git a/ruoyi-bussiness/src/main/java/com/ruoyi/cms/controller/cms/CmsJobController.java b/ruoyi-bussiness/src/main/java/com/ruoyi/cms/controller/cms/CmsJobController.java
index 0ca36f2..b99c454 100644
--- a/ruoyi-bussiness/src/main/java/com/ruoyi/cms/controller/cms/CmsJobController.java
+++ b/ruoyi-bussiness/src/main/java/com/ruoyi/cms/controller/cms/CmsJobController.java
@@ -136,6 +136,10 @@ public class CmsJobController extends BaseController
     @PostMapping
     public AjaxResult add(@RequestBody Job job)
     {
+        AjaxResult companyCheck = bindRecruitingCompany(job, false);
+        if (companyCheck != null) {
+            return companyCheck;
+        }
         // 校验描述中的敏感词
         List<String> sensitiveWords = sensitiveWordChecker.checkSensitiveWords(job.getDescription());
         if (!sensitiveWords.isEmpty()) {
@@ -156,6 +160,10 @@ public class CmsJobController extends BaseController
     @PutMapping
     public AjaxResult edit(@RequestBody Job job)
     {
+        AjaxResult companyCheck = bindRecruitingCompany(job, true);
+        if (companyCheck != null) {
+            return companyCheck;
+        }
         // 校验描述中的敏感词
         List<String> sensitiveWords = sensitiveWordChecker.checkSensitiveWords(job.getDescription());
         if (!sensitiveWords.isEmpty()) {
@@ -165,6 +173,52 @@ public class CmsJobController extends BaseController
         return toAjax(jobService.updateJob(job));
     }
 
+    /**
+     * 绑定岗位的招聘公司。
+     *
+     * <p>企业账号的招聘公司由登录账号确定，前端无需也不能指定；管理员仍须传入其选择的公司。
+     * 同时同步公司名称，避免隐藏企业端表单字段后产生 company_name 为空的岗位数据。</p>
+     *
+     * @param job 岗位信息
+     * @param editing 是否为修改岗位
+     * @return 校验失败时的响应，校验通过时返回 {@code null}
+     */
+    private AjaxResult bindRecruitingCompany(Job job, boolean editing)
+    {
+        Company company;
+        if (RoleUtils.isCompanyAdmin()) {
+            company = companyService.queryCodeCompany(RoleUtils.getCurrentUseridCard());
+            if (company == null) {
+                return AjaxResult.error("未查询到当前企业信息");
+            }
+
+            if (editing) {
+                if (job.getJobId() == null) {
+                    return AjaxResult.error("jobId不能为空");
+                }
+                Job existingJob = jobService.selectJobByJobId(job.getJobId());
+                if (existingJob == null) {
+                    return AjaxResult.error("岗位不存在");
+                }
+                if (!Objects.equals(company.getCompanyId(), existingJob.getCompanyId())) {
+                    return AjaxResult.error("无权修改其他企业的岗位");
+                }
+            }
+        } else {
+            if (job.getCompanyId() == null) {
+                return AjaxResult.error("请选择招聘公司");
+            }
+            company = companyService.selectCompanyByCompanyId(job.getCompanyId());
+            if (company == null) {
+                return AjaxResult.error("招聘公司不存在");
+            }
+        }
+
+        job.setCompanyId(company.getCompanyId());
+        job.setCompanyName(company.getName());
+        return null;
+    }
+
     /**
      * 删除岗位
      */
diff --git a/ruoyi-bussiness/src/main/java/com/ruoyi/cms/domain/rc/PublicJobFair.java b/ruoyi-bussiness/src/main/java/com/ruoyi/cms/domain/rc/PublicJobFair.java
index b9843cd..d7d8e5a 100644
--- a/ruoyi-bussiness/src/main/java/com/ruoyi/cms/domain/rc/PublicJobFair.java
+++ b/ruoyi-bussiness/src/main/java/com/ruoyi/cms/domain/rc/PublicJobFair.java
@@ -31,6 +31,9 @@ public class PublicJobFair implements Serializable {
     @ApiModelProperty("招聘会类型")
     private String jobFairType;
 
+    @ApiModelProperty("区域类型（1-疆内 2-疆外 3-师市以内 4-师市以外）")
+    private String jobFairRegionType;
+
     @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
     @ApiModelProperty("招聘会开始时间")
     private Date jobFairStartTime;
diff --git a/ruoyi-bussiness/src/main/java/com/ruoyi/cms/domain/rc/PublicJobFairDetail.java b/ruoyi-bussiness/src/main/java/com/ruoyi/cms/domain/rc/PublicJobFairDetail.java
index 22235d4..b71081c 100644
--- a/ruoyi-bussiness/src/main/java/com/ruoyi/cms/domain/rc/PublicJobFairDetail.java
+++ b/ruoyi-bussiness/src/main/java/com/ruoyi/cms/domain/rc/PublicJobFairDetail.java
@@ -41,6 +41,9 @@ public class PublicJobFairDetail implements Serializable {
     @ApiModelProperty("招聘会类型 1-线上 2-线下")
     private Integer jobFairType;
 
+    @ApiModelProperty("区域类型（1-疆内 2-疆外 3-师市以内 4-师市以外）")
+    private String jobFairRegionType;
+
     @ApiModelProperty("纬度")
     private BigDecimal latitude;
 
diff --git a/ruoyi-bussiness/src/main/java/com/ruoyi/cms/domain/rc/PublicJobFairQuery.java b/ruoyi-bussiness/src/main/java/com/ruoyi/cms/domain/rc/PublicJobFairQuery.java
index 0f9c8f8..dfd6e7e 100644
--- a/ruoyi-bussiness/src/main/java/com/ruoyi/cms/domain/rc/PublicJobFairQuery.java
+++ b/ruoyi-bussiness/src/main/java/com/ruoyi/cms/domain/rc/PublicJobFairQuery.java
@@ -29,6 +29,9 @@ public class PublicJobFairQuery implements Serializable {
     @ApiModelProperty("招聘会类型")
     private String jobFairType;
 
+    @ApiModelProperty("区域类型")
+    private String jobFairRegionType;
+
     @ApiModelProperty("招聘会举办时间（格式：yyyy-MM-dd）")
     private String zphjbsj;
 }
diff --git a/ruoyi-bussiness/src/main/resources/mapper/rc/PublicJobFairMapper.xml b/ruoyi-bussiness/src/main/resources/mapper/rc/PublicJobFairMapper.xml
index 98864cb..c04caa9 100644
--- a/ruoyi-bussiness/src/main/resources/mapper/rc/PublicJobFairMapper.xml
+++ b/ruoyi-bussiness/src/main/resources/mapper/rc/PublicJobFairMapper.xml
@@ -7,6 +7,7 @@
         <result property="jobFairTitle" column="job_fair_title"/>
         <result property="jobFairAddress" column="job_fair_address"/>
         <result property="jobFairType" column="job_fair_type"/>
+        <result property="jobFairRegionType" column="job_fair_region_type"/>
         <result property="jobFairStartTime" column="job_fair_start_time"/>
         <result property="jobFairEndTime" column="job_fair_end_time"/>
         <result property="jobFairHostUnit" column="job_fair_host_unit"/>
@@ -43,6 +44,7 @@
         <result property="jobFairStartTime" column="job_fair_start_time"/>
         <result property="jobFairEndTime" column="job_fair_end_time"/>
         <result property="jobFairType" column="job_fair_type"/>
+        <result property="jobFairRegionType" column="job_fair_region_type"/>
         <result property="latitude" column="latitude"/>
         <result property="longitude" column="longitude"/>
     </resultMap>
@@ -76,7 +78,8 @@
     </resultMap>
 
     <sql id="selectPublicJobFairVo">
-        select job_fair_id, job_fair_title, job_fair_address, job_fair_type, job_fair_start_time, job_fair_end_time,
+        select job_fair_id, job_fair_title, job_fair_address, job_fair_type, job_fair_region_type,
+               job_fair_start_time, job_fair_end_time,
                job_fair_host_unit, job_fair_help_unit, job_fair_organize_unit, job_fair_introduction, job_fair_remark,
                job_fair_phone, job_fair_image, job_fair_area_image, create_by, create_time, update_by, update_time,
                job_fair_venue_id, job_fair_sign_up_start_time, job_fair_sign_up_end_time, enterprise_num, booth_num,
@@ -94,6 +97,9 @@
             <if test="query.jobFairType != null and query.jobFairType != ''">
                 and job_fair_type = #{query.jobFairType}
             </if>
+            <if test="query.jobFairRegionType != null and query.jobFairRegionType != ''">
+                and job_fair_region_type = #{query.jobFairRegionType}
+            </if>
             <if test="query.zphjbsj != null and query.zphjbsj != ''">
                 and to_char(job_fair_start_time, 'YYYY-MM-DD') &lt;= #{query.zphjbsj}
                 and to_char(job_fair_end_time, 'YYYY-MM-DD') &gt;= #{query.zphjbsj}
@@ -104,7 +110,7 @@
 
     <select id="selectPublicJobFairDetailById" resultMap="DetailResult">
         select job_fair_id, job_fair_title, job_fair_address, job_fair_introduction,
-               job_fair_start_time, job_fair_end_time, job_fair_type, latitude, longitude
+               job_fair_start_time, job_fair_end_time, job_fair_type, job_fair_region_type, latitude, longitude
         from public_job_fair
         where job_fair_id = #{jobFairId} and del_flag = '0'
     </select>
@@ -205,7 +211,7 @@
 
     <insert id="insertPublicJobFair">
         insert into public_job_fair (
-            job_fair_id, job_fair_title, job_fair_address, job_fair_type,
+            job_fair_id, job_fair_title, job_fair_address, job_fair_type, job_fair_region_type,
             job_fair_start_time, job_fair_end_time, job_fair_host_unit, job_fair_help_unit,
             job_fair_organize_unit, job_fair_introduction, job_fair_remark, job_fair_phone,
             job_fair_image, job_fair_area_image, job_fair_venue_id,
@@ -214,7 +220,7 @@
             job_fair_category, is_cross_domain, cross_domain_cities, latitude, longitude,
             create_by, create_time, del_flag
         ) values (
-            #{jobFairId}, #{jobFairTitle}, #{jobFairAddress}, #{jobFairType},
+            #{jobFairId}, #{jobFairTitle}, #{jobFairAddress}, #{jobFairType}, #{jobFairRegionType},
             #{jobFairStartTime}, #{jobFairEndTime}, #{jobFairHostUnit}, #{jobFairHelpUnit},
             #{jobFairOrganizeUnit}, #{jobFairIntroduction}, #{jobFairRemark}, #{jobFairPhone},
             #{jobFairImage}, #{jobFairAreaImage}, #{jobFairVenueId},
@@ -231,6 +237,7 @@
             <if test="jobFairTitle != null">job_fair_title = #{jobFairTitle},</if>
             <if test="jobFairAddress != null">job_fair_address = #{jobFairAddress},</if>
             <if test="jobFairType != null">job_fair_type = #{jobFairType},</if>
+            <if test="jobFairRegionType != null">job_fair_region_type = #{jobFairRegionType},</if>
             <if test="jobFairStartTime != null">job_fair_start_time = #{jobFairStartTime},</if>
             <if test="jobFairEndTime != null">job_fair_end_time = #{jobFairEndTime},</if>
             <if test="jobFairHostUnit != null">job_fair_host_unit = #{jobFairHostUnit},</if>
diff --git a/sql/migration_public_job_fair_region_type.sql b/sql/migration_public_job_fair_region_type.sql
new file mode 100644
index 0000000..c9f4c1a
--- /dev/null
+++ b/sql/migration_public_job_fair_region_type.sql
@@ -0,0 +1,76 @@
+-- 线上招聘会区域类型
+-- 高Go / PostgreSQL 兼容；可重复执行。
+-- 字典值：1-疆内、2-疆外、3-师市以内、4-师市以外。
+
+BEGIN;
+
+ALTER TABLE "shz"."public_job_fair"
+    ADD COLUMN IF NOT EXISTS "job_fair_region_type" VARCHAR(10);
+
+COMMENT ON COLUMN "shz"."public_job_fair"."job_fair_region_type"
+    IS '区域类型 1-疆内 2-疆外 3-师市以内 4-师市以外';
+
+CREATE INDEX IF NOT EXISTS "idx_public_job_fair_region_type"
+    ON "shz"."public_job_fair" ("job_fair_region_type");
+
+INSERT INTO "shz"."sys_dict_type" (
+    "dict_id", "dict_name", "dict_type", "status", "create_by", "create_time", "remark"
+)
+SELECT
+    (SELECT COALESCE(MAX("dict_id"), 0) + 1 FROM "shz"."sys_dict_type"),
+    '线上招聘会区域类型',
+    'job_fair_region_type',
+    '0',
+    'system',
+    NOW(),
+    '线上招聘会管理使用'
+WHERE NOT EXISTS (
+    SELECT 1
+    FROM "shz"."sys_dict_type"
+    WHERE "dict_type" = 'job_fair_region_type'
+);
+
+WITH seed("dict_sort", "dict_label", "dict_value", "list_class", "is_default") AS (
+    VALUES
+        (1, '疆内', '1', 'primary', 'N'),
+        (2, '疆外', '2', 'warning', 'N'),
+        (3, '师市以内', '3', 'success', 'N'),
+        (4, '师市以外', '4', 'default', 'N')
+),
+new_rows AS (
+    SELECT
+        ROW_NUMBER() OVER (ORDER BY seed."dict_sort") AS rn,
+        seed.*
+    FROM seed
+    WHERE NOT EXISTS (
+        SELECT 1
+        FROM "shz"."sys_dict_data" data
+        WHERE data."dict_type" = 'job_fair_region_type'
+          AND data."dict_value" = seed."dict_value"
+    )
+),
+base AS (
+    SELECT COALESCE(MAX("dict_code"), 0) AS max_code
+    FROM "shz"."sys_dict_data"
+)
+INSERT INTO "shz"."sys_dict_data" (
+    "dict_code", "dict_sort", "dict_label", "dict_value", "dict_type",
+    "css_class", "list_class", "is_default", "status", "create_by", "create_time", "remark"
+)
+SELECT
+    base.max_code + new_rows.rn,
+    new_rows."dict_sort",
+    new_rows."dict_label",
+    new_rows."dict_value",
+    'job_fair_region_type',
+    NULL,
+    new_rows."list_class",
+    new_rows."is_default",
+    '0',
+    'system',
+    NOW(),
+    '线上招聘会区域类型'
+FROM new_rows
+CROSS JOIN base;
+
+COMMIT;
diff --git a/sql/public_job_fair.sql b/sql/public_job_fair.sql
index 92f7311..9395e10 100644
--- a/sql/public_job_fair.sql
+++ b/sql/public_job_fair.sql
@@ -17,6 +17,7 @@ CREATE TABLE "public_job_fair" (
     "job_fair_title" VARCHAR(500),
     "job_fair_address" VARCHAR(500),
     "job_fair_type" VARCHAR(10),
+    "job_fair_region_type" VARCHAR(10),
     "job_fair_start_time" TIMESTAMP,
     "job_fair_end_time" TIMESTAMP,
     "job_fair_host_unit" VARCHAR(200),
@@ -47,6 +48,7 @@ CREATE TABLE "public_job_fair" (
 
 COMMENT ON TABLE "public_job_fair" IS '公共招聘会信息表';
 COMMENT ON COLUMN "public_job_fair"."job_fair_type" IS '招聘会类型 1-线上 2-线下';
+COMMENT ON COLUMN "public_job_fair"."job_fair_region_type" IS '区域类型 1-疆内 2-疆外 3-师市以内 4-师市以外';
 COMMENT ON COLUMN "public_job_fair"."latitude" IS '纬度';
 COMMENT ON COLUMN "public_job_fair"."longitude" IS '经度';
 COMMENT ON COLUMN "public_job_fair"."del_flag" IS '删除标志（0正常 2删除）';
@@ -104,6 +106,7 @@ COMMENT ON TABLE "public_job_fair_signup" IS '招聘会-用户报名表';
 
 -- 创建索引
 CREATE INDEX "idx_public_job_fair_type" ON "public_job_fair"("job_fair_type");
+CREATE INDEX "idx_public_job_fair_region_type" ON "public_job_fair"("job_fair_region_type");
 CREATE INDEX "idx_public_job_fair_start_time" ON "public_job_fair"("job_fair_start_time");
 CREATE INDEX "idx_public_job_fair_company_fair_id" ON "public_job_fair_company"("job_fair_id");
 CREATE INDEX "idx_public_job_fair_company_company_id" ON "public_job_fair_company"("company_id");