diff --git a/src/main/java/com/ai/da/mapper/primary/DesignMapper.java b/src/main/java/com/ai/da/mapper/primary/DesignMapper.java
index 2cc69ef9..1801da87 100644
--- a/src/main/java/com/ai/da/mapper/primary/DesignMapper.java
+++ b/src/main/java/com/ai/da/mapper/primary/DesignMapper.java
@@ -19,7 +19,7 @@ public interface DesignMapper extends CommonMapper<Design> {
     Long insertDesign(Design design);
 
     List<UserDesignStatisticDTO> getDesignStatistic(String startTime, String endTime, List<Long> ids, String email,
-                                                    String role, String organizationName);
+                                                    String role, String organizationName, boolean filterBySecond);
 
     List<Design> selectDeleteList();
 }
diff --git a/src/main/java/com/ai/da/service/impl/ConvenientInquiryServiceImpl.java b/src/main/java/com/ai/da/service/impl/ConvenientInquiryServiceImpl.java
index 14992975..7d5011a8 100644
--- a/src/main/java/com/ai/da/service/impl/ConvenientInquiryServiceImpl.java
+++ b/src/main/java/com/ai/da/service/impl/ConvenientInquiryServiceImpl.java
@@ -149,7 +149,17 @@ public class ConvenientInquiryServiceImpl extends ServiceImpl<QuestionnaireMappe
                 || ADMIN_IDS.contains(account.getId())
                 || ADMIN_IDS_READ_ONLY.contains(account.getId())
         )) {
-            if (StringUtil.isNullOrEmpty(startTime)) startTime = "2024-02-01 00:00:00";
+            boolean filterBySecond ;
+            if (StringUtil.isNullOrEmpty(startTime)) {
+                startTime = "2024-02-01 00:00:00";
+                filterBySecond = true;
+            } else {
+                LocalDateTime thresholdTime = LocalDateTime.of(2024, 5, 1, 0, 0, 0);
+                DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
+                LocalDateTime startDateTime = LocalDateTime.parse(startTime, formatter);
+                filterBySecond = startDateTime.isBefore(thresholdTime);
+            }
+
             if (StringUtil.isNullOrEmpty(endTime)) {
                 // yyyy-MM-dd HH:mm:ss "HH"表示24小时制  "hh"表示12小时制
                 endTime = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
@@ -173,7 +183,7 @@ public class ConvenientInquiryServiceImpl extends ServiceImpl<QuestionnaireMappe
                 default:
                     throw new BusinessException("have.no.permission", ResultEnum.PROMPT.getCode());
             }
-            return designMapper.getDesignStatistic(startTime, endTime, ids, email, role, account.getOrganizationName());
+            return designMapper.getDesignStatistic(startTime, endTime, ids, email, role, account.getOrganizationName(), filterBySecond);
         } else {
             throw new BusinessException("have.no.permission", ResultEnum.PROMPT.getCode());
         }
diff --git a/src/main/java/com/ai/da/service/impl/DesignServiceImpl.java b/src/main/java/com/ai/da/service/impl/DesignServiceImpl.java
index a731d536..ed28c17d 100644
--- a/src/main/java/com/ai/da/service/impl/DesignServiceImpl.java
+++ b/src/main/java/com/ai/da/service/impl/DesignServiceImpl.java
@@ -46,6 +46,7 @@ import java.math.BigDecimal;
 import java.math.RoundingMode;
 import java.time.LocalDateTime;
 import java.time.ZoneId;
+import java.time.format.DateTimeFormatter;
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ThreadLocalRandom;
@@ -1669,6 +1670,24 @@ public class DesignServiceImpl extends ServiceImpl<DesignMapper, Design> impleme
                 .lt("create_date", endTime)
                 .select("count(id) as count");
 
+        // 如果startTime早于2024-05-01 00:00:00，添加额外的筛选条件
+        LocalDateTime thresholdTime = LocalDateTime.of(2024, 5, 1, 0, 0, 0);
+
+        try {
+            DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
+            LocalDateTime startDateTime = LocalDateTime.parse(startTime, formatter);
+
+            if (startDateTime.isBefore(thresholdTime)) {
+                // 使用 notLike 来排除以 ":01" 或 ":02" 结尾的时间
+                // 方案2.1：使用 apply 方法执行数据库函数 （create_date 字段的实际存储格式（可能包含毫秒），所以取最后三个字符进行匹配）
+                queryWrapper.apply("DATE_FORMAT(create_date, '%s') NOT IN ('01', '02')");
+                /*queryWrapper.notLike("create_date", "%:01")
+                        .notLike("create_date", "%:02");*/
+            }
+        } catch (Exception e) {
+            log.warn("Failed to parse startTime: {}, skip time-based filtering", startTime, e);
+        }
+
         if (!Objects.isNull(accountIds) && !accountIds.isEmpty()) {
             queryWrapper.in("account_id", accountIds);
         }
@@ -1676,7 +1695,7 @@ public class DesignServiceImpl extends ServiceImpl<DesignMapper, Design> impleme
         List<Map<String, Object>> result = baseMapper.selectMaps(queryWrapper);
         if (result != null && !result.isEmpty()) {
             Object countObj = result.get(0).get("count");
-            return (Long) countObj;
+            return countObj != null ? ((Number) countObj).longValue() : 0L;
         } else {
             return 0L;
         }
diff --git a/src/main/resources/mapper/primary/AccountMapper.xml b/src/main/resources/mapper/primary/AccountMapper.xml
index df12240d..825dc459 100644
--- a/src/main/resources/mapper/primary/AccountMapper.xml
+++ b/src/main/resources/mapper/primary/AccountMapper.xml
@@ -61,10 +61,10 @@
         </if>
         <!-- 添加时间区间查询条件 -->
         <if test="startTime != null and startTime != ''">
-            AND cd.create_time &gt;= #{startTime}
+            AND create_time &gt;= #{startTime}
         </if>
         <if test="endTime != null and endTime != ''">
-            AND cd.create_time &lt;= #{endTime}
+            AND create_time &lt;= #{endTime}
         </if>
         GROUP BY
         account_id
diff --git a/src/main/resources/mapper/primary/DesignMapper.xml b/src/main/resources/mapper/primary/DesignMapper.xml
index 91e3d0a0..b0ca3da1 100644
--- a/src/main/resources/mapper/primary/DesignMapper.xml
+++ b/src/main/resources/mapper/primary/DesignMapper.xml
@@ -52,8 +52,10 @@
                 AND b.create_date between #{startTime} and #{endTime}
             </if>
         </where>
-        and b.create_date not like '%:01'
-        and b.create_date not like '%:02'
+        <if test="filterBySecond">
+            and b.create_date not like '%:01'
+            and b.create_date not like '%:02'
+        </if>
         <if test="ids != null and ids.size() > 0">
             and a.id in
             <foreach item="id" collection="ids" open="(" separator="," close=")">