diff --git a/src/page-subspecialty/views/modules/outpatientManagement/call/patient-add-or-update.vue b/src/page-subspecialty/views/modules/outpatientManagement/call/patient-add-or-update.vue
index 7b17539..bc68718 100644
--- a/src/page-subspecialty/views/modules/outpatientManagement/call/patient-add-or-update.vue
+++ b/src/page-subspecialty/views/modules/outpatientManagement/call/patient-add-or-update.vue
@@ -211,7 +211,7 @@ export default {
         if (!valid) {
           return false
         }
-        this.dataForm.zlProjectCode = this.dataForm.zlProjectCode.join(',')
+        this.dataForm.zlProjectCode = this.dataForm.zlProjectCode.length && this.dataForm.zlProjectCode.join(',')
         this.$http[!this.dataForm.id ? 'post' : 'put']('/patient/savePatient', this.dataForm).then(({ data: res }) => {
           if (res.code !== 0) {
             return this.$message.error(res.msg)
diff --git a/src/page-subspecialty/views/modules/outpatientManagement/treat/patient-add-or-update.vue b/src/page-subspecialty/views/modules/outpatientManagement/treat/patient-add-or-update.vue
index e0e6218..3c6743c 100644
--- a/src/page-subspecialty/views/modules/outpatientManagement/treat/patient-add-or-update.vue
+++ b/src/page-subspecialty/views/modules/outpatientManagement/treat/patient-add-or-update.vue
@@ -198,7 +198,7 @@ export default {
         if (!valid) {
           return false
         }
-        this.dataForm.zlProjectCode = this.dataForm.zlProjectCode.join(',')
+        this.dataForm.zlProjectCode = this.dataForm.zlProjectCode.length && this.dataForm.zlProjectCode.join(',')
         this.$http[!this.dataForm.id ? 'post' : 'put']('/patient/savePatient', this.dataForm).then(({ data: res }) => {
           if (res.code !== 0) {
             return this.$message.error(res.msg)