diff --git a/src/core.js b/src/core.js
index 988ae73..28b53ca 100644
--- a/src/core.js
+++ b/src/core.js
@@ -184,9 +184,9 @@ class Toast {
     el.style.cssText = `
       display:flex;
       flex-direction:column;
-      gap:12px;
+      gap:${this.config.gap || 12}px;
       box-sizing:border-box;
-      padding:24px;
+      padding:${this.config.offset || 24}px;
       max-width:100vw;
       position:fixed;
       z-index:${zIndex};
@@ -241,7 +241,7 @@ class Toast {
     set('max-width', 'calc(100vw - 48px)');
     set('width', widthValue);
     // 用户自定义样式最后应用
-    if (this.config.style) {
+    if (this.config.style && Object.keys(this.config.style).length > 0) {
       Object.entries(this.config.style).forEach(([k, v]) => { el.style[k] = v; });
     }
   }