fixed

src/main/java/cn/cslg/pas/service/business/es/EsService.java

@@ -152,8 +152,8 @@ public class EsService {
         //判断表达式
         if (queryRequest instanceof StringRequest) {
             searchCondition = ((StringRequest) queryRequest).getSearchQuery();
-            if(searchCondition!=null){
-                searchCondition="";
+            if (searchCondition == null) {
+                searchCondition = "";
             }
         } else if (queryRequest instanceof MapRequest) {
             Map<String, Object> map = ((MapRequest) queryRequest).getSearchQuery();