diff --git a/app/components/rules/new/ExtractionSettings.tsx b/app/components/rules/new/ExtractionSettings.tsx
index b440219..dd954f1 100644
--- a/app/components/rules/new/ExtractionSettings.tsx
+++ b/app/components/rules/new/ExtractionSettings.tsx
@@ -724,7 +724,8 @@ export function ExtractionSettings({
                     <button
                       type="button"
                       key={`llm-field-${index}`}
-                      className={`ant-btn ant-btn-default tag-button ${multiEntityEnabled && isMulti ? 'tag-multi-entity' : ''}`}
+                      className="ant-btn ant-btn-default tag-button"
+                      style={multiEntityEnabled && isMulti ? { backgroundColor: '#00684a', borderColor: '#00684a', color: '#fff' } : undefined}
                       onClick={() => multiEntityEnabled && toggleLLMFieldMultiEntity(index)}
                       title={multiEntityEnabled ? (isMulti ? '点击关闭多实体展开' : '点击开启多实体展开') : name}
                     >