diff --git a/front/src/views/capacitySquare/components/algorithm.vue b/front/src/views/capacitySquare/components/algorithm.vue
index 9a63f367..e4ef303a 100644
--- a/front/src/views/capacitySquare/components/algorithm.vue
+++ b/front/src/views/capacitySquare/components/algorithm.vue
@@ -79,6 +79,7 @@ const params = {
 
 // 切换领域
 const changeAreaFunction = (val) => {
+  params.pageNum = 1;
   typeName2.value = val
   params.area = typeName2.value == '全部' ? '' : typeName2.value;
   selectFlag2.value = false
@@ -160,7 +161,13 @@ const changeDeptType = (str) => {
         break
     }
     params.pageNum = 1;
-    params.deptType = deptType.value;
+    if(deptType.value !== null && deptType.value !== undefined) {
+      params.deptType = deptType.value;
+    }else {
+      if(Object.keys(params).includes('deptType')) {
+        delete params.deptType
+      }
+    }
   }
   selectFlag.value = false
   getData(str)
@@ -169,7 +176,7 @@ const changeDeptType = (str) => {
 const getData = (str) => {
   getGisByArea(params).then((res) => {
     const resData = res.data.data || {}
-    if (resData.list.length > 0 && resData.list.length < 9) {
+    if (resData.list.length > 0 && resData.list.length < 9 && algorithmclassDom) {
       algorithmclassDom.removeEventListener('scroll', algorithmFunction, true)
     }
     dataList.value = resData.list || []
diff --git a/front/src/views/capacitySquare/components/layer.vue b/front/src/views/capacitySquare/components/layer.vue
index f7facca0..d7b03a79 100644
--- a/front/src/views/capacitySquare/components/layer.vue
+++ b/front/src/views/capacitySquare/components/layer.vue
@@ -77,6 +77,7 @@ const params = {
 
 // 切换领域
 const changeAreaFunction = (val) => {
+  params.pageNum = 1;
   typeName2.value = val
   params.area = typeName2.value == '全部' ? '' : typeName2.value;
   selectFlag2.value = false
@@ -126,7 +127,13 @@ const changeDeptType = (str) => {
         break
     }
     params.pageNum = 1;
-    params.deptType = deptType.value;
+    if(deptType.value !== null && deptType.value !== undefined) {
+      params.deptType = deptType.value;
+    }else {
+      if(Object.keys(params).includes('deptType')) {
+        delete params.deptType
+      }
+    }
   }
   selectFlag.value = false
   getData(str)
@@ -135,7 +142,7 @@ const changeDeptType = (str) => {
 const getData = (str) => {
   getGisByArea(params).then((res) => {
     const resData = res.data.data || {}
-    if (resData.list.length > 0 && resData.list.length < 9) {
+    if (resData.list.length > 0 && resData.list.length < 9 && algorithmclassDom) {
       algorithmclassDom.removeEventListener('scroll', algorithmFunction, true)
     }
     dataList.value = resData.list || []