diff --git a/src/views/doctor/doctor-introduction/index.vue b/src/views/doctor/doctor-introduction/index.vue
index 21ee44c..6754542 100644
--- a/src/views/doctor/doctor-introduction/index.vue
+++ b/src/views/doctor/doctor-introduction/index.vue
@@ -262,28 +262,28 @@
     const rules = reactive({
       avatar_reason: [ {
         validator: (value, cb) => {
-          if (value.length>20) {
+          if (value && value.length>20) {
             cb('头像理由不能超过20个字符');
           }
         }
       }],
       doctor_expertise_reason: [ {
         validator: (value, cb) => {
-          if (value.length>20) {
+          if (value && value.length>20) {
             cb('专长理由不能超过20个字符');
           }
         }
       }],
       brief_introduction_reason: [ {
         validator: (value, cb) => {
-          if (value.length>20) {
+          if (value && value.length>20) {
             cb('简介理由不能超过20个字符');
           }
         }
       }],
       be_good_at_reason: [ {
         validator: (value, cb) => {
-          if (value.length>20) {
+          if (value && value.length>20) {
             cb('擅长理由不能超过20个字符');
           }
         }