uview u--input输入法在手写的情况下乱码???

<u--input  
                v-model="messageText"  
                type="text"  
                color="#fff"  
                style="height: 36px;"  
                :disabled="isDisabledTxt"  
                :disabledColor="'#222222'"  
                :placeholder="isDisabledTxt?'全体禁言':'请输入消息'"  
                :clearable="true"  
                :autoBlur="true"  
                confirmHold  
                @blur="scrollToBottom"  
                @confirm="confimFun"  
                placeholder-style="color: #666666;"  
                >  
                    <template slot="suffix">  
                        <u--button @tap="sendMessage" class="send-btn"  type="error" size="mini">  
                            <u--text text="发送" color="#fff" size="24rpx" align="center"></u--text>  
                        </u--button>  
                    </template>  
                </u--input>