First time clicking on image icon in ckeditor, the following image popup

After saving it to the database, sometimes the upload tab will disappear.

"toolbarGroups : [
        { name: 'document', groups: [ 'mode', 'document', 'doctools' ] },
        { name: 'clipboard', groups: [ 'clipboard', 'undo' ] },
        { name: 'basicstyles', groups: [ 'basicstyles', 'cleanup' ] },
        { name: 'paragraph', groups: [ 'indent', 'blocks', 'align', 'list', 'bidi', 'paragraph' ] },
        { name: 'forms', groups: [ 'forms' ] },
        { name: 'links', groups: [ 'links' ] },
        { name: 'insert', groups: [ 'insert' ] },
        { name: 'editing', groups: [ 'find', 'selection', 'editing', 'colors' ] },
        { name: 'styles', groups: [ 'styles' ] },
        { name: 'tools', groups: [ 'tools' ] },
        { name: 'others', groups: [ 'others' ] },
        { name: 'about', groups: [ 'about' ] }
],
extraPlugins: 'wordcount',
removeButtons : 'Source,Save,NewPage,Print,Preview,Templates,Cut,Copy,Paste,PasteFromWord,PasteText,Redo,Undo,Replace,SelectAll,Form,Checkbox,Radio,TextField,Textarea,Select,Button,HiddenField,Subscript,Superscript,Strike,CopyFormatting,RemoveFormat,Blockquote,CreateDiv,BidiLtr,BidiRtl,Language,Anchor,Flash,HorizontalRule,Smiley,SpecialChar,PageBreak,Iframe,Styles,Format,Font,FontSize,ShowBlocks,About',
removePlugins: 'elementspath',
wordcount: {
    showParagraphs: false,
    showWordCount: false,
    showCharCount: true,
    countSpacesAsChars: false,
    countHTML: true,
    maxWordCount: 10000,
    maxCharCount: 10000
}"