diff --git a/jero-boot/jero-boot-base/jero-boot-base-api/jero-system-cloud-api/src/main/java/com/jero/common/system/api/fallback/SysBaseAPIFallback.java b/jero-boot/jero-boot-base/jero-boot-base-api/jero-system-cloud-api/src/main/java/com/jero/common/system/api/fallback/SysBaseAPIFallback.java
index e2347df3..64f4c190 100644
--- a/jero-boot/jero-boot-base/jero-boot-base-api/jero-system-cloud-api/src/main/java/com/jero/common/system/api/fallback/SysBaseAPIFallback.java
+++ b/jero-boot/jero-boot-base/jero-boot-base-api/jero-system-cloud-api/src/main/java/com/jero/common/system/api/fallback/SysBaseAPIFallback.java
@@ -8,6 +8,7 @@ import com.jero.common.api.dto.message.*;
 import com.jero.common.system.api.ISysBaseAPI;
 import com.jero.common.system.vo.*;
 
+import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
@@ -56,47 +57,47 @@ public class SysBaseAPIFallback implements ISysBaseAPI {
 
     @Override
     public List<String> getRolesByUsername(String username) {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
     public List<String> getDepartIdsByUsername(String username) {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
     public List<String> getDepartNamesByUsername(String username) {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
     public List<DictModel> queryDictItemsByCode(String code) {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
     public List<DictModel> queryEnableDictItemsByCode(String code) {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
     public List<DictModel> queryAllDict() {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
     public List<SysCategoryModel> queryAllDSysCategory() {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
     public List<DictModel> queryTableDictItemsByCode(String table, String text, String code) {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
     public List<DictModel> queryAllDepartBackDictModel() {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
@@ -106,34 +107,34 @@ public class SysBaseAPIFallback implements ISysBaseAPI {
 
     @Override
     public List<DictModel> queryFilterTableDictInfo(String table, String text, String code, String filterSql) {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
     public List<String> queryTableDictByKeys(String table, String text, String code, String[] keyArray) {
         log.error("queryTableDictByKeys查询失败 {}", cause);
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
     public List<ComboModel> queryAllUserBackCombo() {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
     public JSONObject queryAllUser(String userIds, Integer pageNo, int pageSize) {
-        return null;
+        return new JSONObject();
     }
 
     @Override
     public List<ComboModel> queryAllRole(String[] roleIds) {
         log.error("获取角色信息失败 {}", cause);
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
     public List<String> getRoleIdsByUsername(String username) {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
@@ -143,7 +144,7 @@ public class SysBaseAPIFallback implements ISysBaseAPI {
 
     @Override
     public List<SysDepartModel> getAllSysDepart() {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
@@ -153,7 +154,7 @@ public class SysBaseAPIFallback implements ISysBaseAPI {
 
     @Override
     public List<String> getDeptHeadByDepId(String deptId) {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
@@ -163,7 +164,7 @@ public class SysBaseAPIFallback implements ISysBaseAPI {
 
     @Override
     public List<LoginUser> queryAllUserByIds(String[] userIds) {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
@@ -173,17 +174,17 @@ public class SysBaseAPIFallback implements ISysBaseAPI {
 
     @Override
     public List<LoginUser> queryUserByNames(String[] userNames) {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
     public Set<String> getUserRoleSet(String username) {
-        return null;
+        return Collections.emptySet();
     }
 
     @Override
     public Set<String> getUserPermissionSet(String username) {
-        return null;
+        return Collections.emptySet();
     }
 
     @Override
@@ -198,17 +199,17 @@ public class SysBaseAPIFallback implements ISysBaseAPI {
 
     @Override
     public List<String> queryDeptUsersByUserId(String userId) {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
     public Set<String> queryUserRoles(String username) {
-        return null;
+        return Collections.emptySet();
     }
 
     @Override
     public Set<String> queryUserAuths(String username) {
-        return null;
+        return Collections.emptySet();
     }
 
     @Override
@@ -239,7 +240,7 @@ public class SysBaseAPIFallback implements ISysBaseAPI {
 
     @Override
     public List<SysPermissionDataRuleModel> queryPermissionDataRule(String component, String requestPath, String username) {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
@@ -250,32 +251,32 @@ public class SysBaseAPIFallback implements ISysBaseAPI {
 
     @Override
     public List<JSONObject> queryUsersByUsernames(String usernames) {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
     public List<JSONObject> queryUsersByIds(String ids) {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
     public List<JSONObject> queryDepartsByOrgcodes(String orgCodes) {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
     public List<JSONObject> queryDepartsByIds(String ids) {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
     public Map<String, List<DictModel>> translateManyDict(String dictCodes, String keys) {
-        return null;
+        return Collections.emptyMap();
     }
 
     @Override
     public List<DictModel> translateDictFromTableByKeys(String table, String text, String code, String keys) {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
@@ -285,46 +286,46 @@ public class SysBaseAPIFallback implements ISysBaseAPI {
 
     @Override
     public List<SysDepartTreeModel> listParentDepartsByDepId(String departId) {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
     public List<SysDepartTreeModel> listSonDepartsByDepId(String departId) {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
     public List<Map<String,Object>> getDeptUserByOrgCode(String orgCode) {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
     public List<JSONObject> queryDepartsByOrgIds(String ids) {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
     public List<String> loadCategoryDictItem(String ids) {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
     public List<String> loadDictItem(String dictCode, String keys) {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
     public List<DictModel> getDictItems(String dictCode) {
-        return null;
+        return Collections.emptyList();
     }
 
     @Override
     public Map<String, List<DictModel>> getManyDictItems(List<String> dictCodeList) {
-        return null;
+        return Collections.emptyMap();
     }
 
     @Override
     public List<DictModel> loadDictItemByKeyword(String dictCode, String keyword, Integer pageSize) {
-        return null;
+        return Collections.emptyList();
     }
 }