预测项setting的值修改最大输入长度为1000

 src/views/model/pre/item/MmPredictItemForm.vue

@@ -283,7 +283,7 @@
        <el-table-column prop="valuetype" label="类型" align="center" min-width="150"/>
        <el-table-column prop="" label="值" align="center" min-width="200">
          <template #default="scope">
            <el-input size="mini" v-model="scope.row.value" maxlength="256"
            <el-input size="mini" v-model="scope.row.value" maxlength="1000"
                      :disabled="scope.row.key === 'pyFile'"
                      style="width:100%;height:100%"/>
          </template>