diff --git a/hz-pm-api/src/main/java/com/hz/pm/api/projectdeclared/manage/ConstructionManage.java b/hz-pm-api/src/main/java/com/hz/pm/api/projectdeclared/manage/ConstructionManage.java
index c681092..307fdfb 100644
--- a/hz-pm-api/src/main/java/com/hz/pm/api/projectdeclared/manage/ConstructionManage.java
+++ b/hz-pm-api/src/main/java/com/hz/pm/api/projectdeclared/manage/ConstructionManage.java
@@ -596,7 +596,7 @@ public class ConstructionManage {
         LambdaQueryWrapper<Purchase> purchaseQuery = Wrappers.lambdaQuery(Purchase.class)
                 .eq(Purchase::getProjectId, req.getProjectId())
                 .eq(Purchase::getBidType, BidTypeEnum.BUILD_APP.getCode())
-                .apply("LENGTH(NVL(preliminary_inspection_materials,'')) = 0")
+                .apply("NVL(LENGTH(preliminary_inspection_materials),0) = 0")
                 .last(BizConst.LIMIT_1);
         Project project = projectService.getById(req.getProjectId());
         if (purchaseService.count(purchaseQuery) == 0) {
diff --git a/hz-pm-api/src/main/java/com/hz/pm/api/workbench/manage/WorkbenchManage.java b/hz-pm-api/src/main/java/com/hz/pm/api/workbench/manage/WorkbenchManage.java
index 596e497..9fc0579 100644
--- a/hz-pm-api/src/main/java/com/hz/pm/api/workbench/manage/WorkbenchManage.java
+++ b/hz-pm-api/src/main/java/com/hz/pm/api/workbench/manage/WorkbenchManage.java
@@ -787,7 +787,7 @@ public class WorkbenchManage {
             }
             if (req.getIsInMhSystemReplaceInfos() != null) {
                 char symbol = (Boolean.TRUE.equals(req.getIsInMhSystemReplaceInfos()) ? '>' : '=');
-                sql.append(" and LENGTH(NVL(source_system_id,'')) ").append(symbol).append(" 0");
+                sql.append(" and NVL(LENGTH(source_system_id),0) ").append(symbol).append(" 0");
             }
             query.exists(ExistsSqlConst.PROJECT_EXISTS_SYSTEM_REPLACE_INFOS + sql);
         }