docs: public void setPathSelfScore(Term from, boolean asc) {
  		double score = this.selfScore + from.score;
  		// 维特比进行最优路径的构建
  		if (this.from == null) {
  			this.setFromAndScore(from, score);
  		} else {
  			if ((this.score > score) == asc) {
  				this.setFromAndScore(from, score);
  			}
  
  		}
  	}