diff --git a/react-ui/src/pages/DevelopmentEnvironment/components/CreateMirrorModal/index.tsx b/react-ui/src/pages/DevelopmentEnvironment/components/CreateMirrorModal/index.tsx
index df0264b3..2493de58 100644
--- a/react-ui/src/pages/DevelopmentEnvironment/components/CreateMirrorModal/index.tsx
+++ b/react-ui/src/pages/DevelopmentEnvironment/components/CreateMirrorModal/index.tsx
@@ -51,8 +51,8 @@ function CreateMirrorModal({ envId, onOk, ...rest }: CreateMirrorModalProps) {
               message: '请输入镜像名称',
             },
             {
-              pattern: /^[a-zA-Z0-9/_-]*$/,
-              message: '只支持字母、数字、下划线(_)、中横线(-)、斜杠(/)',
+              pattern: /^[a-z0-9/_-]*$/,
+              message: '只支持小写字母、数字、下划线(_)、中横线(-)、斜杠(/)',
             },
           ]}
         >
diff --git a/react-ui/src/pages/Mirror/Create/index.tsx b/react-ui/src/pages/Mirror/Create/index.tsx
index 71ea5f78..c4e89ce2 100644
--- a/react-ui/src/pages/Mirror/Create/index.tsx
+++ b/react-ui/src/pages/Mirror/Create/index.tsx
@@ -150,8 +150,8 @@ function MirrorCreate() {
                       message: '请输入镜像名称',
                     },
                     {
-                      pattern: /^[a-zA-Z0-9/_-]*$/,
-                      message: '只支持字母、数字、下划线(_)、中横线(-)、斜杠(/)',
+                      pattern: /^[a-z0-9/_-]*$/,
+                      message: '只支持小写字母、数字、下划线(_)、中横线(-)、斜杠(/)',
                     },
                   ]}
                 >