diff --git a/src/plugins/http-fetch.ts b/src/plugins/http-fetch.ts
index cad5cf81..df6a9a05 100644
--- a/src/plugins/http-fetch.ts
+++ b/src/plugins/http-fetch.ts
@@ -129,13 +129,13 @@ function beforeRequest(options: OptionsType): OptionsType | Promise<any> {
   ) {
     const requestObj: RepeatSubmitType = {
       url: options.url,
-      data: JSON.stringify(options.data),
+      data: JSON.stringify(options.data) || '',
       time: Date.now(),
     };
     const sessionObj: RepeatSubmitType = sessionGetJSON(CACHE_SESSION_FATCH);
     if (sessionObj) {
       const { url, data, time } = sessionObj;
-      const interval = 2000; // 间隔时间(ms)，小于此时间视为重复提交
+      const interval = 3000; // 间隔时间(ms)，小于此时间视为重复提交
       if (
         requestObj.url === url &&
         requestObj.data === data &&