diff --git a/src/components/case/index.vue b/src/components/case/index.vue
index 6554a06..76d2879 100644
--- a/src/components/case/index.vue
+++ b/src/components/case/index.vue
@@ -264,7 +264,7 @@ export default {
           this.projectPermissions = this.projectId ? 1 : 0
           this.assessmentId && this.projectId && this.checkVer()
           this.codeId && this.codeIds.push(this.codeId)
-          if (projectId !=null){
+          if (projectId !=null && projectId != '' && projectId !='null'){
               let params = {
                   "projectId":projectId,
               }