diff --git a/src/http/main.ts b/src/http/main.ts
index 00f24ce9..d2941769 100644
--- a/src/http/main.ts
+++ b/src/http/main.ts
@@ -23,10 +23,6 @@ interface RequestOptions {
 }
 type RequestInterceptor = (config: RequestOptions) => RequestOptions;
 type ResponseInterceptor = (response: any) => any;
-interface Interceptors {
-    request: (config: RequestOptions) => RequestOptions;
-    response: (response: any) => any;
-}
 class uniFetch {
     baseUrl: string;
     defaultHeader: Record<string, string>;
@@ -34,7 +30,7 @@ class uniFetch {
     constructor({ baseUrl = '', defaultHeader = {}, interceptors = { request: null, response: null } }: {
         baseUrl?: string;
         defaultHeader?: Record<string, string>;
-        interceptors?: Interceptors;
+        interceptors?: { request: RequestInterceptor | null; response: ResponseInterceptor | null};
     }) {
         this.baseUrl = baseUrl;
         this.defaultHeader = {
@@ -51,18 +47,18 @@ class uniFetch {
     setDefaultHeader(header: Record<string, string>): void {
         this.defaultHeader = header;
     }
-
     request(options: RequestOptions): Promise<any> {
         options = options || {};
         options.baseUrl = options.baseUrl || this.baseUrl;
         options.url = options.baseUrl + options.url;
         options.data = options.data || {};
-        options.method = options.method || "GET";
+        options.method = (options.method?.toUpperCase() || "GET") as HttpMethod;
         options.header = options.header || this.defaultHeader;
         if (this.interceptors.request) {
             options = this.interceptors.request(options);
         }
         return new Promise((resolve, reject) => {
+            // @ts-ignore
             uni.request({
                 ...options,
                 success: (res) => {
@@ -109,9 +105,9 @@ class uniFetch {
     }
 
     private buildRequestOptions(options: RequestOptions): RequestOptions {
-        if (options.params) {
+        if (options.params && Object.keys(options.params).length > 0) {
             const queryString = Object.keys(options.params)
-                .map((key) => `${encodeURIComponent(key)}=${encodeURIComponent(options.params[key])}`)
+                .map((key) => `${encodeURIComponent(key)}=${encodeURIComponent(options.params![key])}`)
                 .join('&');
             options.url += `?${queryString}`;
         }