修改

pages/login/index.wxml

@@ -31,7 +31,7 @@
           </view>
         <view class="save">
           <button class="button" form-type="submit">登录</button>
-          <button class="button" form-type="submit" bindtap="register" >注册</button>
+          <text class="zhu"  bindtap="register">去注册</text>
         </view>
       </form>
     </view>

pages/login/index.wxss

@@ -52,4 +52,8 @@
   font-size: 13px;
   margin: 10px;
   color: rgb(0, 119, 255);
+}
+.zhu{
+  color: red;
+  font-size: 13px;
 }