diff --git a/laws-modules/src/main/java/com/jero/modules/laws/standard/service/impl/EnterpriseStandardServiceImpl.java b/laws-modules/src/main/java/com/jero/modules/laws/standard/service/impl/EnterpriseStandardServiceImpl.java
index fc0f89c2..e63962b0 100644
--- a/laws-modules/src/main/java/com/jero/modules/laws/standard/service/impl/EnterpriseStandardServiceImpl.java
+++ b/laws-modules/src/main/java/com/jero/modules/laws/standard/service/impl/EnterpriseStandardServiceImpl.java
@@ -24,7 +24,7 @@ public class EnterpriseStandardServiceImpl extends ServiceImpl<LawsEnterpriseSta
             return null;
         }
         LambdaQueryWrapper<LawsEnterpriseStandard> wrapper = new LambdaQueryWrapper<>();
-        wrapper.like(LawsEnterpriseStandard::getStandardNumber, standardNumber);
+        wrapper.eq(LawsEnterpriseStandard::getStandardNumber, standardNumber);
         wrapper.eq(LawsEnterpriseStandard::getDelFlag, CommonConstant.DEL_FLAG_0.toString());
         wrapper.last("limit 1");
         return getOne(wrapper);
diff --git a/laws-modules/src/main/java/com/jero/modules/laws/standard/service/impl/LawsDomesticStandardServiceImpl.java b/laws-modules/src/main/java/com/jero/modules/laws/standard/service/impl/LawsDomesticStandardServiceImpl.java
index 8f510187..bd479b3e 100644
--- a/laws-modules/src/main/java/com/jero/modules/laws/standard/service/impl/LawsDomesticStandardServiceImpl.java
+++ b/laws-modules/src/main/java/com/jero/modules/laws/standard/service/impl/LawsDomesticStandardServiceImpl.java
@@ -133,7 +133,7 @@ public class LawsDomesticStandardServiceImpl extends ServiceImpl<LawsDomesticSta
 			return null;
 		}
 		LambdaQueryWrapper<LawsDomesticStandard> wrapper = new LambdaQueryWrapper<>();
-		wrapper.like(LawsDomesticStandard::getStandardNumber, standardNumber);
+		wrapper.eq(LawsDomesticStandard::getStandardNumber, standardNumber);
 		wrapper.eq(LawsDomesticStandard::getDelFlag, CommonConstant.DEL_FLAG_0.toString());
 		wrapper.last("limit 1");
 		return getOne(wrapper);
diff --git a/laws-modules/src/main/java/com/jero/modules/laws/standard/service/impl/LawsOverseasStandardServiceImpl.java b/laws-modules/src/main/java/com/jero/modules/laws/standard/service/impl/LawsOverseasStandardServiceImpl.java
index af3db6d5..0862543a 100644
--- a/laws-modules/src/main/java/com/jero/modules/laws/standard/service/impl/LawsOverseasStandardServiceImpl.java
+++ b/laws-modules/src/main/java/com/jero/modules/laws/standard/service/impl/LawsOverseasStandardServiceImpl.java
@@ -133,7 +133,7 @@ public class LawsOverseasStandardServiceImpl extends ServiceImpl<LawsOverseasSta
 			return null;
 		}
 		LambdaQueryWrapper<LawsOverseasStandard> wrapper = new LambdaQueryWrapper<>();
-		wrapper.like(LawsOverseasStandard::getStandardNumber, standardNumber);
+		wrapper.eq(LawsOverseasStandard::getStandardNumber, standardNumber);
 		wrapper.eq(LawsOverseasStandard::getDelFlag, CommonConstant.DEL_FLAG_0.toString());
 		wrapper.last("limit 1");
 		return getOne(wrapper);