diff --git a/backend/src/main/java/com/designhub/service/SystemConfigService.java b/backend/src/main/java/com/designhub/service/SystemConfigService.java
index 310a33f..4c3dcac 100644
--- a/backend/src/main/java/com/designhub/service/SystemConfigService.java
+++ b/backend/src/main/java/com/designhub/service/SystemConfigService.java
@@ -173,6 +173,23 @@ public class SystemConfigService {
             if (config != null) {
                 config.setConfigValue(entry.getValue());
                 systemConfigMapper.updateById(config);
+            } else {
+                // 如果配置不存在，创建新配置
+                SystemConfig newConfig = new SystemConfig();
+                newConfig.setConfigKey(entry.getKey());
+                newConfig.setConfigValue(entry.getValue());
+                // 从key中提取group（如 work_hours.start_time -> work_hours）
+                String key = entry.getKey();
+                int dotIndex = key.indexOf('.');
+                if (dotIndex > 0) {
+                    newConfig.setConfigGroup(key.substring(0, dotIndex));
+                } else {
+                    newConfig.setConfigGroup("system");
+                }
+                newConfig.setConfigName(entry.getKey());
+                newConfig.setValueType("string");
+                newConfig.setBuiltIn(1);
+                systemConfigMapper.insert(newConfig);
             }
         }
         return true;