diff --git a/src/styles/index.scss b/src/styles/index.scss
index f471a55..4973408 100644
--- a/src/styles/index.scss
+++ b/src/styles/index.scss
@@ -95,4 +95,16 @@
     align-items: center;
     font-size: 16px;
   }
+}
+
+/* 去除 Chrome、Safari、Edge、Opera 中的指示器 */
+.el-input__inner::-webkit-outer-spin-button,
+.el-input__inner::-webkit-inner-spin-button {
+  -webkit-appearance: none;
+  margin: 0;
+}
+
+/* 去除 Firefox 中的指示器 */
+.el-input__inner[type='number'] {
+  -moz-appearance: textfield;
 }
\ No newline at end of file