solve the problem that some overlay setting labels are invalid

modules/overlay/vector/Circle.js

@@ -91,6 +91,21 @@ class Circle extends Overlay {
     this.center = this._center
   }
 
+  /**
+   * Sets Text with Style
+   * @param text
+   * @param textStyle
+   * @returns {Circle}
+   */
+  setLabel(text, textStyle) {
+    this._delegate.position = Transform.transformWGS84ToCartesian(this._center)
+    this._delegate.label = {
+      ...textStyle,
+      text: text
+    }
+    return this
+  }
+
   /**
    *
    * @param style

modules/overlay/vector/Rectangle.js

@@ -47,6 +47,16 @@ class Rectangle extends Overlay {
    * @returns {Rectangle}
    */
   setLabel(text, textStyle) {
+    this._delegate.position = Cesium.Cartographic.toCartesian(
+      Cesium.Rectangle.center(
+        this._delegate.rectangle,
+        new Cesium.Cartographic()
+      )
+    )
+    this._delegate.label = {
+      ...textStyle,
+      text: text
+    }
     return this
   }