| Evaluation of project | Table column head | |||||
| Larger | Large | General | Small | Smaller | Scoring rate | |
| E-mail support function | 300 | 285 | 389 | 67 | 54 | 88.95% |
| The course forum support function | 372 | 281 | 367 | 43 | 32 | 93.15% |
| Voice Q & A support function help | 317 | 261 | 390 | 67 | 60 | 88.40% |
| QQ group support function | 294 | 321 | 362 | 66 | 52 | 89.22% |
| Letter to support function | 245 | 164 | 480 | 103 | 103 | 81.19% |