diff --git a/src/utils/validator.ts b/src/utils/validator.ts
index 8a9d70261..b040b2ddf 100644
--- a/src/utils/validator.ts
+++ b/src/utils/validator.ts
@@ -788,6 +788,19 @@ export function validatePercent(rule, value, callback){
   }
 }
 
+export function validateSampleCode(rule, value, callback){
+  if (value) {
+    const orgReg =/[A-Z]/
+    if (orgReg.test(value)) {
+      callback()
+    } else {
+      callback(new Error('样本字码错误'))
+    }
+  } else {
+    callback()
+  }
+}
+
 export default {
     validateCode,
     validateEmail,
diff --git a/src/views/qms/aql/aql.data.ts b/src/views/qms/aql/aql.data.ts
index a9beb51be..4c9fa28fc 100644
--- a/src/views/qms/aql/aql.data.ts
+++ b/src/views/qms/aql/aql.data.ts
@@ -1,13 +1,13 @@
 import type { CrudSchema } from '@/hooks/web/useCrudSchemas'
 import { dateFormatter } from '@/utils/formatTime'
 import { getSamplingScheme } from "@/api/qms/aql";
-import { validateNum } from "@/utils/validator";
+import {validateNum, validateSampleCode} from "@/utils/validator";
 
 // 表单校验
 export const AqlRules = reactive({
   code: [required],
   inspectionQualification: [required],
-  sampleCharacterCode: [required, {max: 1, message: '长度不得超过1个字符', trigger: 'blur' }],
+  sampleCharacterCode: [required, {max: 1, message: '长度不得超过1个字符', trigger: 'blur' }, {validator: validateSampleCode, message: '请输入1个大写字母', trigger: 'blur' }],
   sampleQty: [required,{ validator: validateNum, message: '请输入整数', trigger: 'blur' }],
   a0separator010: [required,{  validator: validateNum, message: '请输入整数', trigger: 'blur' }],
   r0separator010: [required,{ validator: validateNum, message: '请输入整数', trigger: 'blur' }],