diff --git a/playedu-api/src/main/java/xyz/playedu/api/bus/UserBus.java b/playedu-api/src/main/java/xyz/playedu/api/bus/UserBus.java
new file mode 100644
index 0000000..fd08453
--- /dev/null
+++ b/playedu-api/src/main/java/xyz/playedu/api/bus/UserBus.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2023 杭州白书科技有限公司
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package xyz.playedu.api.bus;
+
+import org.springframework.stereotype.Component;
+
+import xyz.playedu.common.constant.ConfigConstant;
+
+import java.util.Map;
+
+@Component
+public class UserBus {
+
+    public String getUserDefaultAvatar(Map<String, String> configData) {
+        String memberDefaultAvatar = configData.get(ConfigConstant.MEMBER_DEFAULT_AVATAR);
+        if (memberDefaultAvatar == null || memberDefaultAvatar.trim().isEmpty()) {
+            return configData.get(ConfigConstant.SYSTEM_API_URL) + "/images/default_avatar.png";
+        }
+        return memberDefaultAvatar;
+    }
+}
diff --git a/playedu-api/src/main/java/xyz/playedu/api/controller/backend/SystemController.java b/playedu-api/src/main/java/xyz/playedu/api/controller/backend/SystemController.java
index 759e0f6..9a18f4d 100644
--- a/playedu-api/src/main/java/xyz/playedu/api/controller/backend/SystemController.java
+++ b/playedu-api/src/main/java/xyz/playedu/api/controller/backend/SystemController.java
@@ -22,6 +22,7 @@ import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import xyz.playedu.api.bus.UserBus;
 import xyz.playedu.common.annotation.Log;
 import xyz.playedu.common.constant.BusinessTypeConstant;
 import xyz.playedu.common.constant.ConfigConstant;
@@ -45,6 +46,8 @@ public class SystemController {
 
     @Autowired private CategoryService categoryService;
 
+    @Autowired private UserBus userBus;
+
     @GetMapping("/config")
     @Log(title = "其它-系统配置", businessType = BusinessTypeConstant.GET)
     public JsonResponse config() {
@@ -68,12 +71,7 @@ public class SystemController {
         data.put(ConfigConstant.SYSTEM_H5_URL, configData.get(ConfigConstant.SYSTEM_H5_URL));
 
         // 学员的默认头像
-        String memberDefaultAvatar = configData.get(ConfigConstant.MEMBER_DEFAULT_AVATAR);
-        if (memberDefaultAvatar == null || memberDefaultAvatar.trim().isEmpty()) {
-            data.put(ConfigConstant.MEMBER_DEFAULT_AVATAR, apiUrl + "/images/default_avatar.png");
-        } else {
-            data.put(ConfigConstant.MEMBER_DEFAULT_AVATAR, memberDefaultAvatar);
-        }
+        data.put(ConfigConstant.MEMBER_DEFAULT_AVATAR, userBus.getUserDefaultAvatar(configData));
 
         // 内置的三个线上课封面
         List<String> defaultCourseThumbs = new ArrayList<>();
diff --git a/playedu-api/src/main/java/xyz/playedu/api/controller/backend/UserController.java b/playedu-api/src/main/java/xyz/playedu/api/controller/backend/UserController.java
index b33f520..3e1ff5e 100644
--- a/playedu-api/src/main/java/xyz/playedu/api/controller/backend/UserController.java
+++ b/playedu-api/src/main/java/xyz/playedu/api/controller/backend/UserController.java
@@ -28,6 +28,7 @@ import org.springframework.transaction.annotation.Transactional;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 
+import xyz.playedu.api.bus.UserBus;
 import xyz.playedu.api.event.UserCourseHourRecordDestroyEvent;
 import xyz.playedu.api.event.UserCourseRecordDestroyEvent;
 import xyz.playedu.api.event.UserDestroyEvent;
@@ -37,7 +38,6 @@ import xyz.playedu.common.annotation.BackendPermission;
 import xyz.playedu.common.annotation.Log;
 import xyz.playedu.common.constant.BPermissionConstant;
 import xyz.playedu.common.constant.BusinessTypeConstant;
-import xyz.playedu.common.constant.ConfigConstant;
 import xyz.playedu.common.constant.SystemConstant;
 import xyz.playedu.common.context.BCtx;
 import xyz.playedu.common.domain.*;
@@ -232,7 +232,7 @@ public class UserController {
     @PostMapping("/store-batch")
     @Transactional
     @Log(title = "学员-批量导入", businessType = BusinessTypeConstant.INSERT)
-    public JsonResponse batchStore(@RequestBody @Validated UserImportRequest req) {
+    public JsonResponse batchStore(@RequestBody @Validated UserImportRequest req, UserBus userBus) {
         List<UserImportRequest.UserItem> users = req.getUsers();
         if (users.isEmpty()) {
             return JsonResponse.error("数据为空");
@@ -245,7 +245,7 @@ public class UserController {
         Integer startLine = req.getStartLine();
 
         // 默认的学员头像
-        String defaultAvatar = BCtx.getConfig().get(ConfigConstant.MEMBER_DEFAULT_AVATAR);
+        String defaultAvatar = userBus.getUserDefaultAvatar(BCtx.getConfig());
 
         List<String[]> errorLines = new ArrayList<>();
         errorLines.add(new String[] {"错误行", "错误信息"}); // 错误表-表头