diff --git a/src/Obj/Base/TextBox/index.js b/src/Obj/Base/TextBox/index.js
index 5e5697b..0179243 100644
--- a/src/Obj/Base/TextBox/index.js
+++ b/src/Obj/Base/TextBox/index.js
@@ -53,7 +53,7 @@ class TextBox extends Base {
 
     // 配置CSS样式和内容结构
     viewer.cesiumWidget.container.appendChild(dom);
-    let posi = Cesium.Cartesian3.fromDegrees(that.options.position.lng, that.options.position.lat, that.options.position.alt)
+    let posi = Cesium.Cartesian3.fromDegrees(that.options.position.lng.toFixed(4), that.options.position.lat.toFixed(4), that.options.position.alt.toFixed(4))
 
     that.handler = function () {
       const position = Cesium.SceneTransforms.wgs84ToWindowCoordinates(
@@ -85,7 +85,7 @@ class TextBox extends Base {
         lat: latitude,
         alt: cartographic.height
       }
-      let posi = Cesium.Cartesian3.fromDegrees(longitude, latitude, cartographic.height)
+      let posi = Cesium.Cartesian3.fromDegrees(longitude.toFixed(4), latitude.toFixed(4), cartographic.height.toFixed(4))
 
       that.handler = function () {
         const position = Cesium.SceneTransforms.wgs84ToWindowCoordinates(