5. The method of claim 4 , wherein the online mode comprises at least one of automatic online and delay online, and wherein said making the hotspot information materials available online according to the online mode comprises at least one of: making the corresponding hotspot information materials online based upon a first determination that the online mode is the automatic online and a second determination that the sensitivity has reached a first preset sensitivity; and making the corresponding hotspot information materials online based upon a third determination that the online mode is the delay online and a fourth determination that the sensitivity has reached a second preset condition that comprises reaching the first preset sensitivity and a preset time lasting under the first preset sensitivity.
5. The method of claim 4 , wherein the online mode comprises at least one of automatic online and delay online, and wherein said making the hotspot information materials available online according to the online mode comprises at least one of: making the corresponding hotspot information materials online based upon a first determination that the online mode is the automatic online and a second determination that the sensitivity has reached a first preset sensitivity; and making the corresponding hotspot information materials online based upon a third determination that the online mode is the delay online and a fourth determination that the sensitivity has reached a second preset condition that comprises reaching the first preset sensitivity and a preset time lasting under the first preset sensitivity. 6. The method of claim 5 , further comprising: acquiring an offline mode comprising at least one of automatic offline, delay offline and manual offline; and at least one of: making the corresponding hotspot information materials offline based upon a fifth determination that the offline mode is the automatic offline and a sixth determination that the sensitivity has reached a third preset condition that is lower than a second preset sensitivity; making the corresponding hotspot information materials offline based upon a seventh determination that the offline mode is the delay offline and an eighth determination that the sensitivity has reached a fourth preset condition being lower than the second preset sensitivity and a preset time lasting under the second preset sensitivity; and making the corresponding hotspot information materials offline according to an offline instruction based upon a ninth determination that the offline mode is the manual offline.