diff --git a/src/components/chemical/ChemicalTableView.vue b/src/components/chemical/ChemicalTableView.vue
index 58c8a4c..9785405 100644
--- a/src/components/chemical/ChemicalTableView.vue
+++ b/src/components/chemical/ChemicalTableView.vue
@@ -53,7 +53,7 @@ defineExpose({
 </script>
 
 <template>
-  <div style="margin: 10px">
+  <div style="margin: 10px; display: flex; justify-content: center;">
     <el-pagination
         background
         layout="prev, pager, next ,total, sizes"
diff --git a/src/components/formula/FormulaTableView.vue b/src/components/formula/FormulaTableView.vue
index 10035a3..2966be8 100644
--- a/src/components/formula/FormulaTableView.vue
+++ b/src/components/formula/FormulaTableView.vue
@@ -56,7 +56,7 @@ const handleSelectAdd = (rowNo, rowData) => {
 </script>
 
 <template>
-  <div style="margin: 10px">
+  <div style="margin: 10px ; display: flex; justify-content: center;">
     <el-pagination
         background
         layout="prev, pager, next ,total, sizes"
diff --git a/src/components/protein/ProteinTableView.vue b/src/components/protein/ProteinTableView.vue
index fa7eb24..1305882 100644
--- a/src/components/protein/ProteinTableView.vue
+++ b/src/components/protein/ProteinTableView.vue
@@ -56,7 +56,7 @@ const handleSelectAdd = (rowNo, rowData) => {
 </script>
 
 <template>
-  <div style="margin: 10px">
+  <div style="margin: 10px; display: flex; justify-content: center;">
     <el-pagination
         background
         layout="prev, pager, next ,total, sizes"
diff --git a/src/components/views/ResultPage.vue b/src/components/views/ResultPage.vue
index 402d692..d5860a2 100644
--- a/src/components/views/ResultPage.vue
+++ b/src/components/views/ResultPage.vue
@@ -82,27 +82,27 @@ const download = (staticPath) => {
   </div>
 
   <div class="result-download-container">
-    <h1 v-if="data.resultReq.length > 0">结果下载</h1>
+    <h1 v-if="data.resultReq.length > 5">结果下载</h1>
     <el-button
-        v-if="data.resultReq.length > 0"
+        v-if="data.resultReq.length > 5"
         @click="download(data.resultReq)">
       Results
     </el-button>
 
     <el-button
-        v-if="data.echartReq.length > 0"
+        v-if="data.echartReq.length > 5"
         @click="download(data.echartReq)">
       EChart (html)
     </el-button>
 
     <el-button
-        v-if="data.cytoReq.length > 0"
+        v-if="data.cytoReq.length > 5"
         @click="download(data.cytoReq)">
       Network (CSV For Cytoscape)
     </el-button>
 
     <el-button
-        v-if="data.cytoReq.length > 0"
+        v-if="data.cytoReq.length > 5"
         @click="download(data.cytoTypeReq)">
       Type (CSV For Cytoscape)
     </el-button>