fix: When the label of the form tab is empty, the content is not supported

[shaohuzhang1]

fix: When the label of the form tab is empty, the content is not supported

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[shaohuzhang1]

The code seems well-formed, but there are a few potential issues to consider:

1. Null/Undefined Check: The line :innerHTML="item[textField]" should be changed to:

   :innerHTML="item[textField] ? item[textField] : ''">

   This ensures that if item[textField] is null or undefined, it will display an empty string instead of displaying "\u200D" which might not render as intended.

2. Alternative Null/Undefined Handling: For more robust handling, you could use a ternary operator with multiple conditions:

   .class-name {
       /* Existing styles here */
       font-size: 16px; /* Example addition */
   }

3. Avoid Inline JavaScript: It's generally better to place event listeners outside the template for maintainability. You can define methods in the Vue component like this:

   export default {
     data() {
       return {
         // other data properties
       };
     },
     methods: {
       selected(value) {
         console.log('Selected:', value);
       }
     },
     // ...
   };

4. Ensure Proper Component Structure: Make sure that el-card and el-col have appropriate parents. They typically need a container such as el-row.

These changes will help improve the readability and functionality of your code while ensuring it behaves correctly across different scenarios.