diff --git a/pmapi/src/main/java/com/ningdatech/pmapi/todocenter/manage/TodoCenterManage.java b/pmapi/src/main/java/com/ningdatech/pmapi/todocenter/manage/TodoCenterManage.java
index 983dd27..8de8b4c 100644
--- a/pmapi/src/main/java/com/ningdatech/pmapi/todocenter/manage/TodoCenterManage.java
+++ b/pmapi/src/main/java/com/ningdatech/pmapi/todocenter/manage/TodoCenterManage.java
@@ -648,7 +648,10 @@ public class TodoCenterManage {
         List<ProjectInst> projectInstList = projectInstService.list(Wrappers.lambdaQuery(ProjectInst.class)
                 .in(ProjectInst::getProjectId, projectIdList)
                 .orderByDesc(ProjectInst::getProjectId));
-        Map<String, Project> projectInfoMap = projectInstList.stream().collect(Collectors.toMap(ProjectInst::getInstCode, p -> projectsMap.get(p.getProjectId())));
+        Map<String, Project> projectInfoMap = projectInstList.stream()
+                .filter(p -> StringUtils.isNotBlank(p.getInstCode()) &&
+                        !TodoCenterConstant.Declared.NULL_INST_CODE.equals(p.getInstCode()))
+                .collect(Collectors.toMap(ProjectInst::getInstCode, p -> projectsMap.get(p.getProjectId())));
         List<String> instCodes = projectInstList.stream().map(ProjectInst::getInstCode).collect(Collectors.toList());
 
         // 查出用户工作流
@@ -719,7 +722,10 @@ public class TodoCenterManage {
             List<ProjectInst> projectInstList = projectInstService.list(Wrappers.lambdaQuery(ProjectInst.class)
                     .in(ProjectInst::getProjectId, projectIdList)
                     .orderByDesc(ProjectInst::getProjectId));
-            projectInfoMap = projectInstList.stream().collect(Collectors.toMap(ProjectInst::getInstCode, p -> projectsMap.get(p.getProjectId())));
+            projectInfoMap = projectInstList.stream()
+                    .filter(p -> StringUtils.isNotBlank(p.getInstCode()) &&
+                            !TodoCenterConstant.Declared.NULL_INST_CODE.equals(p.getInstCode()))
+                    .collect(Collectors.toMap(ProjectInst::getInstCode, p -> projectsMap.get(p.getProjectId())));
             List<String> instCodes = projectInstList.stream().map(ProjectInst::getInstCode).collect(Collectors.toList());
 
             // 查出用户工作流
@@ -788,7 +794,10 @@ public class TodoCenterManage {
         List<ProjectInst> projectInstList = projectInstService.list(Wrappers.lambdaQuery(ProjectInst.class)
                 .in(ProjectInst::getProjectId, projectIdList)
                 .orderByDesc(ProjectInst::getProjectId));
-        Map<String, Project> projectInfoMap = projectInstList.stream().collect(Collectors.toMap(ProjectInst::getInstCode, p -> projectsMap.get(p.getProjectId())));
+        Map<String, Project> projectInfoMap = projectInstList.stream()
+                .filter(p -> StringUtils.isNotBlank(p.getInstCode()) &&
+                        !TodoCenterConstant.Declared.NULL_INST_CODE.equals(p.getInstCode()))
+                .collect(Collectors.toMap(ProjectInst::getInstCode, p -> projectsMap.get(p.getProjectId())));
         List<String> instCodes = projectInstList.stream().map(ProjectInst::getInstCode).collect(Collectors.toList());
 
         // 查出用户工作流
@@ -857,7 +866,10 @@ public class TodoCenterManage {
             List<ProjectInst> projectInstList = projectInstService.list(Wrappers.lambdaQuery(ProjectInst.class)
                     .in(ProjectInst::getProjectId, projectIdList)
                     .orderByDesc(ProjectInst::getProjectId));
-            projectInfoMap = projectInstList.stream().collect(Collectors.toMap(ProjectInst::getInstCode, p -> projectsMap.get(p.getProjectId())));
+            projectInfoMap = projectInstList.stream()
+                    .filter(p -> StringUtils.isNotBlank(p.getInstCode()) &&
+                            !TodoCenterConstant.Declared.NULL_INST_CODE.equals(p.getInstCode()))
+                    .collect(Collectors.toMap(ProjectInst::getInstCode, p -> projectsMap.get(p.getProjectId())));
             List<String> instCodes = projectInstList.stream().map(ProjectInst::getInstCode).collect(Collectors.toList());
 
             // 查出用户工作流
@@ -927,7 +939,10 @@ public class TodoCenterManage {
         List<ProjectInst> projectInstList = projectInstService.list(Wrappers.lambdaQuery(ProjectInst.class)
                 .in(ProjectInst::getProjectId, projectIdList)
                 .orderByDesc(ProjectInst::getProjectId));
-        Map<String, Project> projectInfoMap = projectInstList.stream().collect(Collectors.toMap(ProjectInst::getInstCode, p -> projectsMap.get(p.getProjectId())));
+        Map<String, Project> projectInfoMap = projectInstList.stream()
+                .filter(p -> StringUtils.isNotBlank(p.getInstCode()) &&
+                        !TodoCenterConstant.Declared.NULL_INST_CODE.equals(p.getInstCode()))
+                .collect(Collectors.toMap(ProjectInst::getInstCode, p -> projectsMap.get(p.getProjectId())));
         List<String> instCodes = projectInstList.stream().map(ProjectInst::getInstCode).collect(Collectors.toList());
 
         // 查出用户工作流
@@ -997,7 +1012,10 @@ public class TodoCenterManage {
             List<ProjectInst> projectInstList = projectInstService.list(Wrappers.lambdaQuery(ProjectInst.class)
                     .in(ProjectInst::getProjectId, projectIdList)
                     .orderByDesc(ProjectInst::getProjectId));
-            projectInfoMap = projectInstList.stream().collect(Collectors.toMap(ProjectInst::getInstCode, p -> projectsMap.get(p.getProjectId())));
+            projectInfoMap = projectInstList.stream()
+                    .filter(p -> StringUtils.isNotBlank(p.getInstCode()) &&
+                            !TodoCenterConstant.Declared.NULL_INST_CODE.equals(p.getInstCode()))
+                    .collect(Collectors.toMap(ProjectInst::getInstCode, p -> projectsMap.get(p.getProjectId())));
             List<String> instCodes = projectInstList.stream().map(ProjectInst::getInstCode).collect(Collectors.toList());
 
             // 分页查出用户工作流