diff --git a/src/components/input/main.js b/src/components/input/main.js
index 408614d8..8b2cac8e 100644
--- a/src/components/input/main.js
+++ b/src/components/input/main.js
@@ -184,7 +184,7 @@ import classNames from 'classnames'
         {kind=="text"?<Icon type="eye-o" className="pwdShow"/>:<Icon className="pwdShow"  type="closed-eye" />}
        </span>:null}
        {disabled==false&&clearShow==true&&this.state.iptVal?<svg onClick={this.clearItem.bind(this)} viewBox="0 0 16 16" width="16px" height="16px"><circle fill="#AAAFBA" fillRule="evenodd" cx="8" cy="8" r="8"></circle><path d="M5.333 5.333l5.334 5.334M10.667 5.333l-5.334 5.334" stroke="#FFF" strokeLinecap="square"></path></svg>:null}
-       {disabled==false&&countShow==true?<span className="countTip">{this.props.value.length}/{maxLength}</span>:null}
+       {disabled==false&&countShow==true?<span className="countTip">{String(this.props.value).length}/{maxLength}</span>:null}
        {unit?<font className="unit">{unit}</font>:null}
        </div>