Fix:Resolves the issue of sessions not being saved when the variable is array<object>. (#11446)

### What problem does this PR solve?

Fix:Resolves the issue of sessions not being saved when the variable is
array<object>.

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

web/src/locales/en.ts

@@ -1046,7 +1046,7 @@ Example: https://fsn1.your-objectstorage.com`,
       downloadFileType: 'Download file type',
       formatTypeError: 'Format or type error',
       variableNameMessage:
-        'Variable name can only contain letters and underscores',
+        'Variable name can only contain letters and underscores and numbers',
       variableDescription: 'Variable Description',
       defaultValue: 'Default Value',
       conversationVariable: 'Conversation variable',

web/src/locales/zh.ts

@@ -980,7 +980,7 @@ General：实体和关系提取提示来自 GitHub - microsoft/graphrag：基于
       downloadFileTypeTip: '文件下载的类型',
       downloadFileType: '文件类型',
       formatTypeError: '格式或类型错误',
-      variableNameMessage: '名称只能包含字母和下划线',
+      variableNameMessage: '名称只能包含字母,数字和下划线',
       variableDescription: '变量的描述',
       defaultValue: '默认值',
       conversationVariable: '会话变量',