diff --git a/src/components/Modal/src/components/ModalWrapper.vue b/src/components/Modal/src/components/ModalWrapper.vue
index 0b8b728..2e3125a 100644
--- a/src/components/Modal/src/components/ModalWrapper.vue
+++ b/src/components/Modal/src/components/ModalWrapper.vue
@@ -45,16 +45,36 @@
 
       useWindowSizeFn(setModalHeight.bind(null, false));
 
-      useMutationObserver(
-        spinRef,
-        () => {
-          setModalHeight();
-        },
-        {
-          attributes: true,
-          subtree: true,
-        }
-      );
+      // update-begin--author:liaozhiyang---date:2024-04-18---for：【QQYUN-9035】basicModal不设置maxHeight或height会一直执行setModalHeight，需即使销毁MutationObserver
+      let observer,
+        recordCount: any = {};
+      if (!(props.maxHeight || props.height)) {
+        observer = useMutationObserver(
+          spinRef,
+          () => {
+            setModalHeight({
+              source: 'muob',
+              callBack: (height) => {
+                const count = recordCount[height];
+                if (count) {
+                  recordCount[height] = ++recordCount[height];
+                  if (count > 5) {
+                    observer.stop();
+                    recordCount = null;
+                  }
+                } else {
+                  recordCount[height] = 1;
+                }
+              },
+            });
+          },
+          {
+            attributes: true,
+            subtree: true,
+          }
+        );
+      }
+      // update-end--author:liaozhiyang---date:2024-04-18---for：【QQYUN-9035】basicModal不设置maxHeight或height会一直执行setModalHeight，需即使销毁MutationObserver
 
       createModalContext({
         redoModalHeight: setModalHeight,
@@ -124,7 +144,11 @@
         });
       }
 
-      async function setModalHeight() {
+      async function setModalHeight(option?) {
+        console.log("---------性能监控--------setModalHeight----------")
+        const options = option || {};
+        const source = options.source;
+        const callBack = options.callBack;
         // 解决在弹窗关闭的时候监听还存在,导致再次打开弹窗没有高度
         // 加上这个,就必须在使用的时候传递父级的visible
         if (!props.visible) return;
@@ -163,6 +187,12 @@
           } else {
             realHeightRef.value = props.height ? props.height : realHeight > maxHeight ? maxHeight : realHeight;
           }
+          // update-begin--author:liaozhiyang---date:2024-04-18---for：【QQYUN-9035】basicModal不设置maxHeight或height会一直执行setModalHeight，需即使销毁MutationObserver
+          if (source == 'muob') {
+            callBack(realHeightRef.value);
+          }
+          // update-end--author:liaozhiyang---date:2024-04-18---for：【QQYUN-9035】basicModal不设置maxHeight或height会一直执行setModalHeight，需即使销毁MutationObserver
+          
           emit('height-change', unref(realHeightRef));
         } catch (error) {
           console.log(error);