《明史·列传·卷一百三十六》
辽阳失陷后，方震孺一天上了十三道奏疏，请求增派巡抚、疏通海运、调集边兵、撤换司马。
辽阳既破，震孺一日十三疏，请增巡抚，通海运，调边兵，易司马。
After the fall of Liaoyang, Fang Zhenru submitted thirteen memorials to the emperor to ask for reinforcements, fix waterway transportation, mobilize border troops, and replace Sima.
<s>[INST] Kindly elucidate the central themes in this passage in English: 辽阳既破，震孺一日十三疏，请增巡抚，通海运，调边兵，易司马。 [/INST] After the fall of Liaoyang, Fang Zhenru submitted thirteen memorials to the emperor to ask for reinforcements, fix waterway transportation, mobilize border troops, and replace Sima.</s>
Kindly elucidate the central themes in this passage in English: 辽阳既破，震孺一日十三疏，请增巡抚，通海运，调边兵，易司马。
user
After the fall of Liaoyang, Fang Zhenru submitted thirteen memorials to the emperor to ask for reinforcements, fix waterway transportation, mobilize border troops, and replace Sima.
assistant