From 80b5137a7203864dab3d14d0359fb185946956b8 Mon Sep 17 00:00:00 2001
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 <42510293+ziyujiahao@users.noreply.github.com>
Date: Wed, 6 Aug 2025 17:36:09 +0800
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---
 .../src/store/modules/data-visualization/dvMain.ts             | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/core/core-frontend/src/store/modules/data-visualization/dvMain.ts b/core/core-frontend/src/store/modules/data-visualization/dvMain.ts
index 044bfed52a..b5c98a51e9 100644
--- a/core/core-frontend/src/store/modules/data-visualization/dvMain.ts
+++ b/core/core-frontend/src/store/modules/data-visualization/dvMain.ts
@@ -1214,6 +1214,9 @@ export const dvMainStore = defineStore('dataVisualization', {
           paramValue = [paramValue]
           operator = 'eq'
         } else if (paramValue && Array.isArray(paramValue)) {
+          if (paramValue.length === 1) {
+            operator = 'eq'
+          }
           paramValueStr = ''
           paramValue.forEach((innerValue, index) => {
             if (index === 0) {