diff --git a/src/pages/regulatoryRepository/systemSearch/components/DialogTable.vue b/src/pages/regulatoryRepository/systemSearch/components/DialogTable.vue
index 54c904809..a254483ff 100644
--- a/src/pages/regulatoryRepository/systemSearch/components/DialogTable.vue
+++ b/src/pages/regulatoryRepository/systemSearch/components/DialogTable.vue
@@ -103,7 +103,7 @@
         tooltip-effect="dark"
         style="width: 100%;overflow-y: auto;overflow-x: hidden;"
         border
-        :height="300"
+        :height="400"
         :header-cell-style="{background: '#e8e8e8', color: '#333333', fontSize: '16px',fontWeight: 'bold', height: '48px'}"
         @sort-change="sortChange"
         @selection-change="selectionChange">
@@ -287,6 +287,12 @@ export default {
       this.selected = []
     },
     releaseDateChange (event) {
+      if (!event) {
+        this.releaseDate = ['', '']
+        this.searchForm.startReleaseDate = ''
+        this.searchForm.endReleaseDate = ''
+        return
+      }
       this.releaseDate = event
       const startTime = event[0]
       const endTime = event[1]
@@ -294,6 +300,12 @@ export default {
       this.searchForm.endReleaseDate = endTime
     },
     implementDateChange (event) {
+      if (!event) {
+        this.implementDate = ['', '']
+        this.searchForm.startImplementDate = ''
+        this.searchForm.endImplementDate = ''
+        return
+      }
       this.implementDate = event
       const startTime = event[0]
       const endTime = event[1]