diff --git a/ruoyi-admin/src/main/java/com/ruoyi/project/controller/BizDocController.java b/ruoyi-admin/src/main/java/com/ruoyi/project/controller/BizDocController.java
index 2f83854..73150f4 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/project/controller/BizDocController.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/project/controller/BizDocController.java
@@ -29,6 +29,8 @@ import com.ruoyi.project.domain.BizProject;
 import com.ruoyi.project.service.IBizProjectService;
 import com.ruoyi.common.utils.StringUtils;
 import java.net.URLEncoder;
+import com.ruoyi.system.service.ISysUserService;
+import com.ruoyi.common.core.domain.entity.SysUser;
 
 /**
  * 文档Controller
@@ -49,6 +51,9 @@ public class BizDocController extends BaseController
     @Autowired
     private IBizModuleService bizModuleService;
 
+    @Autowired
+    private ISysUserService sysUserService;
+
     /**
      * 查询文档列表
      */
@@ -159,15 +164,50 @@ public class BizDocController extends BaseController
         Long currentUserId = getUserId();
 
         if ("0".equals(kindType)) {
-            // 项目文档：只有项目管理员可以上传
+            // 项目文档：项目管理员 或 项目参与者（该项目下任一模块的接取人/被指派人）可上传
             BizProject project = bizProjectService.selectBizProjectByProjectId(projectId);
-            if (!project.getOwnerId().equals(currentUserId)) {
+            boolean isOwner = project != null && project.getOwnerId() != null && project.getOwnerId().equals(currentUserId);
+            boolean isParticipant = false;
+            if (!isOwner) {
+                // 参与者判断：当前用户是否在该项目下拥有被指派的模块
+                com.ruoyi.models.domain.BizModule query = new com.ruoyi.models.domain.BizModule();
+                query.setProjectId(projectId);
+                java.util.List<com.ruoyi.models.domain.BizModule> modules = bizModuleService.selectBizModuleList(query);
+                if (modules != null) {
+                    for (com.ruoyi.models.domain.BizModule m : modules) {
+                        if (m.getAssignee() != null && (m.getAssignee().equals(String.valueOf(currentUserId)) || m.getAssignee().equals(getUsername()))) {
+                            isParticipant = true; break;
+                        }
+                    }
+                }
+            }
+            if (!isOwner && !isParticipant) {
                 return AjaxResult.error("无权上传项目文档");
             }
         } else if ("1".equals(kindType)) {
-            // 模块文档：只有被指派该模块的用户可以上传
+            // 模块文档：只有接取人可以上传（兼容历史：assignee 可能保存为用户ID/用户名/昵称）
             BizModule module = bizModuleService.selectBizModuleByModuleId(moduleId);
-            if (!String.valueOf(currentUserId).equals(module.getAssignee())) {
+            if (module == null) {
+                return AjaxResult.error("模块不存在");
+            }
+            String assignee = module.getAssignee();
+            boolean allowed = false;
+            // 1) 与当前用户ID字符串相等（历史ID保存）
+            if (String.valueOf(currentUserId).equals(assignee)) {
+                allowed = true;
+            } else {
+                try {
+                    SysUser u = sysUserService.selectUserById(currentUserId);
+                    if (u != null) {
+                        if (StringUtils.isNotEmpty(u.getUserName()) && u.getUserName().equals(assignee)) {
+                            allowed = true;
+                        } else if (StringUtils.isNotEmpty(u.getNickName()) && u.getNickName().equals(assignee)) {
+                            allowed = true;
+                        }
+                    }
+                } catch (Exception ignored) {}
+            }
+            if (!allowed) {
                 return AjaxResult.error("无权上传此模块文档");
             }
         }
diff --git a/ruoyi-admin/src/main/resources/application-druid.yml b/ruoyi-admin/src/main/resources/application-druid.yml
index 8ac5e23..215efd2 100644
--- a/ruoyi-admin/src/main/resources/application-druid.yml
+++ b/ruoyi-admin/src/main/resources/application-druid.yml
@@ -6,7 +6,7 @@ spring:
         druid:
             # 主库数据源
             master:
-                url: jdbc:mysql://127.0.0.1:n3306/managersystem?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8
+                url: jdbc:mysql://127.0.0.1:3306/managersystem?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8
                 username: root
                 password: Wxit11335577
             # 从库数据源
diff --git a/ruoyi-ui/src/views/project/doc/index.vue b/ruoyi-ui/src/views/project/doc/index.vue
index 88e8f8a..bc8a619 100644
--- a/ruoyi-ui/src/views/project/doc/index.vue
+++ b/ruoyi-ui/src/views/project/doc/index.vue
@@ -100,7 +100,7 @@
       <el-form label-width="90px" size="small" style="margin-bottom: 10px;">
         <el-form-item label="文档类型">
           <el-radio-group v-model="upload.meta.kindType" @change="handleKindTypeChange">
-            <el-radio :label="0">项目文档</el-radio>
+            <el-radio :label="0" :disabled="isNormalUser">项目文档</el-radio>
             <el-radio :label="1">模块文档</el-radio>
           </el-radio-group>
         </el-form-item>
@@ -135,9 +135,9 @@
         <div class="el-upload__tip" slot="tip">
           <div>
             <strong>文档类型：</strong>{{ upload.meta.kindType === 1 ? '模块文档' : '项目文档' }}<br>
-            <strong>所属项目：</strong>{{ (projectOptions.find(p=>p.projectId===upload.meta.projectId)||{}).projectName || '-' }}<br>
+            <strong>所属项目：</strong>{{ (projectOptions.find(p=>String(p.projectId)===String(upload.meta.projectId))||{}).projectName || '-' }}<br>
             <template v-if="upload.meta.kindType === 1">
-              <strong>所属模块：</strong>{{ (moduleOptions.find(m=>m.moduleId===upload.meta.moduleId)||{}).moduleName || '-' }}
+              <strong>所属模块：</strong>{{ (moduleOptions.find(m=>String(m.moduleId)===String(upload.meta.moduleId))||{}).moduleName || '-' }}
             </template>
           </div>
           <br>