diff --git a/par-api/src/main/java/com/par/api/controller/ConfigController.java b/par-api/src/main/java/com/par/api/controller/ConfigController.java
index 21b4073..cebc39d 100644
--- a/par-api/src/main/java/com/par/api/controller/ConfigController.java
+++ b/par-api/src/main/java/com/par/api/controller/ConfigController.java
@@ -154,8 +154,11 @@ public class ConfigController {
         String schemaVersion = (String) payload.get("schemaVersion");
         String groovyScript = (String) payload.get("script");
 
-        if (version == null || configJson == null) {
-            return ApiResponse.error(400, "version and config are required");
+        if (version == null) {
+            return ApiResponse.error(400, "version is required");
+        }
+        if ((configJson == null || configJson.isBlank()) && (groovyScript == null || groovyScript.isBlank())) {
+            return ApiResponse.error(400, "config 或 script 至少需要一个");
         }
 
         Long submitterId = (Long) request.getAttribute("accountId");
diff --git a/par-core/src/main/java/com/par/core/service/impl/ConfigServiceImpl.java b/par-core/src/main/java/com/par/core/service/impl/ConfigServiceImpl.java
index d9a349a..aa3e9be 100644
--- a/par-core/src/main/java/com/par/core/service/impl/ConfigServiceImpl.java
+++ b/par-core/src/main/java/com/par/core/service/impl/ConfigServiceImpl.java
@@ -56,8 +56,10 @@ public class ConfigServiceImpl implements ConfigService {
     @Override
     public SiteConfig submitConfig(String siteId, String version, String configJson,
                                    String schemaVersion, String groovyScript, Long submitterId) {
-        String configHash = HmacUtil.sha256(configJson);
-        String storagePath = String.format("configs/%s/pending/%s.json", siteId, configHash.substring(0, 8));
+        boolean hasConfig = configJson != null && !configJson.isBlank();
+        boolean hasScript = groovyScript != null && !groovyScript.isBlank();
+        String configHash = hasConfig ? HmacUtil.sha256(configJson) : HmacUtil.sha256(groovyScript);
+        String idPrefix = hasConfig ? configHash.substring(0, 8) : Long.toHexString(System.currentTimeMillis());
 
         // 相同 hash 的提交 → 真正重复，跳过
         SiteConfig sameHash = siteConfigMapper.selectOne(
@@ -70,18 +72,21 @@ public class ConfigServiceImpl implements ConfigService {
             return sameHash;
         }
 
-        // 存储配置
-        try {
-            storageService.store(storagePath, configJson);
-        } catch (Exception e) {
-            log.error("存储配置文件失败 siteId={} version={}: {}", siteId, version, e.getMessage());
-            throw new RuntimeException("存储配置文件失败: " + e.getMessage(), e);
+        // 存储 JSON 配置（可选）
+        String storagePath = null;
+        if (hasConfig) {
+            storagePath = String.format("configs/%s/pending/%s.json", siteId, idPrefix);
+            try { storageService.store(storagePath, configJson); }
+            catch (Exception e) {
+                log.error("存储配置文件失败 siteId={} version={}: {}", siteId, version, e.getMessage());
+                throw new RuntimeException("存储配置文件失败: " + e.getMessage(), e);
+            }
         }
 
-        // 存储 Groovy 脚本（可选）
+        // 存储 Groovy 脚本
         String scriptPath = null;
-        if (groovyScript != null && !groovyScript.isBlank()) {
-            scriptPath = String.format("configs/%s/pending/%s.groovy", siteId, configHash.substring(0, 8));
+        if (hasScript) {
+            scriptPath = String.format("configs/%s/pending/%s.groovy", siteId, idPrefix);
             storageService.store(scriptPath, groovyScript);
         }