Wangeditor uncaught (in promise) error: the editor instance already exists in the initialization node, and the edit cannot be created repeatedly

Use wangEditor An error is as follows ：
Uncaught (in promise) Error: The initialization node already has an editor instance , Cannot create edits repeatedly

as a result of ： The reason why the editor was created repeatedly .
There are two pop ups for adding and modifying in my project , Therefore, the compiler is created repeatedly .
terms of settlement ：
Use editor.destroy();

let editor;
method:{
    
creatDom(){
    
      editor = new E('#div1');// The rich text editor creates , Access to the node 
      //  To configure  server  Address of the interface 
      editor.config.uploadImgServer = 'http://localhost:9090/files/editor/upload';
      editor.config.uploadFileName = 'file';// Set the name of the file upload 
      editor.create();// establish .
    },
    // Here is the new pop-up window 
    add(){
    
      this.dialogVisible = true;
      this.form = {
    };
      // Because only after the pop-up window starts ,div Nodes will be created , Then you can only create a rich text editor after it .
      this.$nextTick(()=>{
    
        if (editor==null){
    
          this.creatDom();
        }else {
    
          editor.destroy();// Here's a judgment , Determine whether the editor is created , If it is created, destroy it first .
          this.creatDom();
        }
      });
    },
    // Here is the modification pop-up window 
    handleEdit(row){
    
      this.form = JSON.parse((JSON.stringify(row)));
      this.dialogVisible = true;
      this.$nextTick(()=>{
    
        if (editor==null){
    
          this.creatDom();
          editor.txt.html(row.content);
        }else {
    
          editor.destroy();// Here's a judgment , Determine whether the editor is created , If it is created, destroy it first .
          this.creatDom();
          editor.txt.html(row.content);
        }
      });
    },
}

Talk is cheap,show me the code！—— Firewood studio ！