diff --git a/h5/assets/coin-lz3Tp0nX-177614866144-transparent.png b/h5/assets/coin-lz3Tp0nX-177614866144-transparent.png
index f2eac61..398b8de 100644
Binary files a/h5/assets/coin-lz3Tp0nX-177614866144-transparent.png and b/h5/assets/coin-lz3Tp0nX-177614866144-transparent.png differ
diff --git a/h5/mifa-pay/app.js b/h5/mifa-pay/app.js
index f683da6..deb1395 100644
--- a/h5/mifa-pay/app.js
+++ b/h5/mifa-pay/app.js
@@ -1,6 +1,7 @@
 const query = readURLParams();
 const storedAppId = window.localStorage.getItem("mifa-pay-application-id") || "";
 const API_BASE_URL = "https://jvapi.haiyihy.com";
+const LOCAL_API_BASE_URL = "http://127.0.0.1:1100";
 const LOGO_SRC = "./mifapay-logo.png";
 
 function readURLParams() {
@@ -106,6 +107,20 @@ function readRawParam(name) {
 }
 
 function apiBaseURL() {
+  const useProdApi = query.get("prod") === "true";
+  const isLocalPage =
+    window.location.protocol === "http:" &&
+    ["localhost", "127.0.0.1", "0.0.0.0", "::1", "[::1]"].includes(
+      window.location.hostname
+    );
+  if (isLocalPage && !useProdApi) {
+    return LOCAL_API_BASE_URL;
+  }
+
+  if (useProdApi) {
+    return API_BASE_URL;
+  }
+
   const override = window.MIFAPAY_API_BASE_URL || query.get("apiBase");
   return String(override || API_BASE_URL).replace(/\/+$/, "");
 }