diff --git a/laws-modules/src/main/java/com/jero/modules/laws/localTool/service/impl/LawsStandardEarlyWarningServiceImpl.java b/laws-modules/src/main/java/com/jero/modules/laws/localTool/service/impl/LawsStandardEarlyWarningServiceImpl.java
index 317d6d9d..1d4692ad 100644
--- a/laws-modules/src/main/java/com/jero/modules/laws/localTool/service/impl/LawsStandardEarlyWarningServiceImpl.java
+++ b/laws-modules/src/main/java/com/jero/modules/laws/localTool/service/impl/LawsStandardEarlyWarningServiceImpl.java
@@ -11,7 +11,9 @@ import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.List;
 
 /**
@@ -66,14 +68,24 @@ public class LawsStandardEarlyWarningServiceImpl implements ILawsStandardEarlyWa
             // 新车型实施日期
             if (StringUtils.isNotBlank(standardEarlyWarning.getNewModelImplementationDate())) {
                 List<String> eStrings = Arrays.asList(warning.getNewModelImplementationDate().split(","));
-                eStrings.retainAll(dayStrings); // 删除eStrings中与dayStrings不相同的元素
-                warning.setNewModelImplementationDate(eStrings.get(0));
+                List<String> intersection = new ArrayList<>();
+                for (String item : dayStrings) {
+                    if (eStrings.contains(item)) {
+                        intersection.add(item);
+                    }
+                }
+                warning.setNewModelImplementationDate(intersection.get(0));
             }
             // 在产车实施日期
             if (StringUtils.isNotBlank(standardEarlyWarning.getOnTheProductionDate())) {
                 List<String> eStrings = Arrays.asList(warning.getOnTheProductionDate().split(","));
-                eStrings.retainAll(dayStrings); // 删除eStrings中与dayStrings不相同的元素
-                warning.setOnTheProductionDate(eStrings.get(0));
+                List<String> intersection = new ArrayList<>();
+                for (String item : dayStrings) {
+                    if (eStrings.contains(item)) {
+                        intersection.add(item);
+                    }
+                }
+                warning.setOnTheProductionDate(intersection.get(0));
             }
         });
         return pageList;