Update FORM_MEMBER_LAYOUT.vue.ftl

@CONTROL/@MACRO/CONTROL/FORM_MEMBER_LAYOUT.vue.ftl

@@ -5,7 +5,7 @@
     ${P.getPartCode(formmenber).code}
 </a-col>
 <#elseif layout == 'FLEX'>
-<div  v-show="this.detailsModel.${formmenber.name}.visible" style="<#if LayoutPos.getGrow() != -1>flex-grow: ${LayoutPos.getGrow()?c};</#if><#if LayoutPos.getWidth()??>width: ${LayoutPos.getWidth()?c}px;</#if><#if LayoutPos.getHeight()??>height: ${LayoutPos.getHeight()?c}px;</#if>">
+<div  v-show="this.detailsModel.${formmenber.name}.visible" style="flex-grow:<#if LayoutPos.getGrow() != -1>${LayoutPos.getGrow()?c}<#else>1</#if>;<#if LayoutPos.getWidth()??>width: ${LayoutPos.getWidth()?c}px;</#if><#if LayoutPos.getHeight()??>height: ${LayoutPos.getHeight()?c}px;</#if>">
 ${P.getPartCode(formmenber).code}
 </div>
 <#else>