diff --git a/src/main/java/com/iot/gateway/admin/OpenClientAdminController.java b/src/main/java/com/iot/gateway/admin/OpenClientAdminController.java
index 567e090..98e023e 100644
--- a/src/main/java/com/iot/gateway/admin/OpenClientAdminController.java
+++ b/src/main/java/com/iot/gateway/admin/OpenClientAdminController.java
@@ -34,6 +34,9 @@ public class OpenClientAdminController {
     @Autowired
     private OpenClientMapper clientMapper;
 
+    @Autowired(required = false)
+    private org.springframework.jdbc.core.JdbcTemplate jdbcTemplate;
+
     private static final SecureRandom RANDOM = new SecureRandom();
 
     @Operation(summary = "获取所有可授权的作用域 (Scopes) 枚举字典列表")
@@ -60,7 +63,33 @@ public class OpenClientAdminController {
                     .or().like(OpenClient::getClientId, keyword));
         }
         qw.orderByDesc(OpenClient::getCreateTime);
-        return Result.success(clientMapper.selectPage(page, qw));
+        Page<OpenClient> resPage = clientMapper.selectPage(page, qw);
+        populateTenantNames(resPage.getRecords());
+        return Result.success(resPage);
+    }
+
+    private void populateTenantNames(List<OpenClient> clients) {
+        if (clients == null || clients.isEmpty() || jdbcTemplate == null) {
+            return;
+        }
+        try {
+            java.util.Map<Long, String> tenantNameMap = new java.util.HashMap<>();
+            List<Map<String, Object>> rows = jdbcTemplate.queryForList("SELECT id, tenant_name FROM sys_tenant");
+            for (Map<String, Object> r : rows) {
+                Object idObj = r.get("id");
+                Object nameObj = r.get("tenant_name");
+                if (idObj instanceof Number && nameObj != null) {
+                    tenantNameMap.put(((Number) idObj).longValue(), nameObj.toString());
+                }
+            }
+            for (OpenClient c : clients) {
+                if (c.getTenantId() != null) {
+                    c.setTenantName(tenantNameMap.getOrDefault(c.getTenantId(), "租户 #" + c.getTenantId()));
+                }
+            }
+        } catch (Exception e) {
+            log.warn("查询关联租户名称失败: {}", e.getMessage());
+        }
     }
 
     @Operation(summary = "获取凭据详情")
diff --git a/src/main/java/com/iot/gateway/entity/OpenClient.java b/src/main/java/com/iot/gateway/entity/OpenClient.java
index 6ba8b3c..ecba6bc 100644
--- a/src/main/java/com/iot/gateway/entity/OpenClient.java
+++ b/src/main/java/com/iot/gateway/entity/OpenClient.java
@@ -19,6 +19,10 @@ public class OpenClient implements Serializable {
     private String clientSecret;
     private String clientName;
     private Long tenantId;
+
+    @com.baomidou.mybatisplus.annotation.TableField(exist = false)
+    private String tenantName;
+
     private String scopes;
     private String ipWhitelist;
     private Integer rateLimit;