diff --git a/zdxt-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/service/impl/NonEnforcementRegistrationServiceImpl.java b/zdxt-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/service/impl/NonEnforcementRegistrationServiceImpl.java
index a47973bc..e289ef04 100644
--- a/zdxt-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/service/impl/NonEnforcementRegistrationServiceImpl.java
+++ b/zdxt-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/service/impl/NonEnforcementRegistrationServiceImpl.java
@@ -237,7 +237,10 @@ public class NonEnforcementRegistrationServiceImpl implements INonEnforcementReg
             }
 
             // dateSearch - 时间范围查询
-            if (StringUtils.isNotBlank(bo.getDateSearch())) {
+            // 仅当 dateSearch 为 "YYYY-MM" 格式的具体月份时才生效；
+            // "month"/"quarter"/"year" 为时段类型标识，由 dateType 条件处理，直接忽略
+            if (StringUtils.isNotBlank(bo.getDateSearch())
+                && bo.getDateSearch().matches("^\\d{4}-\\d{2}$")) {
                 lqw.apply("DATE_FORMAT(enforcement_time, '%Y-%m') = {0}", bo.getDateSearch());
             }