Yes, Guo Baokun became Fan Xian's spy in Joy of Life and chose to stay in Northern Qi. He helped Fan Xian complete his mission and rescue his father. Although Guo Baokun was portrayed as a clumsy and cute character in the play, he was very obedient and completed the task Fan Xian gave him. Fan Xian had chosen Guo Baokun to stay behind as a spy because he thought Guo Baokun's stupidity would make people lower their guard. At the same time, Guo Baokun would not pose a threat to others. In addition, Guo Baokun could stay in Northern Qi to pass on the information he had and play a supporting role. Although Guo Baokun's IQ wasn't high, he could still be used in the right place to produce a certain effect.

Fan Xian did not give the true power of Northern Qi's spies to Priest He. Instead, he gave it to Guo Baokun. Guo Baokun became the head of Northern Qi's spies and controlled their network. Thus, the Northern Qi spy was Guo Baokun.
Fan Xian had given the identity of a spy in Northern Qi to Priest He, and Guo Baokun was only a facade. Thus, the true identity of the spy in Northern Qi was Friar He.
Guo Baokun had stayed in Northern Qi to save his father. Fan Xian had agreed to help him rescue his father on the condition that he stay in Northern Qi as a spy. Although Guo Baokun was not very intelligent and timid, there were two possible reasons why Fan Xian had chosen to keep him in Northern Qi. Firstly, Guo Baokun would not pose a threat to anyone. His stupidity could distract the Northern Qi people. Secondly, there was another expert behind Guo Baokun. He only needed to cover for the expert. Although staying in Northern Qi was a fate worse than death for Guo Baokun, he still agreed to Fan Xian's request. This was perhaps the most touching part of this character.
Guo Baokun had stayed in Northern Qi to save his father. Fan Xian had agreed to help Guo Baokun rescue his father on the condition that he stay in Northern Qi. Although Guo Baokun was not very intelligent and timid, there were two possible reasons why Fan Xian had chosen to let him stay in Northern Qi. First, Guo Baokun's stupidity made him a decoration that posed no threat to others and could divert the attention of Northern Qi. Secondly, there was another expert behind Guo Baokun. He only needed to cover for this expert. Although Guo Baokun's intelligence was worrying, there were still benefits for him to stay in Northern Qi.
In the original work and the TV series of Joy of Life, Guo Baokun chose to stay in Northern Qi as a spy. He had handled many matters for Fan Xian in Northern Qi and had become an important support for Fan Xian in Northern Qi. It was reported that Guo Baokun had lived to the end and had chosen to stay in Northern Qi as a spy. His decision was to save his father. After Fan Xian agreed to help him save his father, Guo Baokun was willing to stay in Northern Qi alone to accept the work of a spy in the Inspection Council. Thus, it could be said that Guo Baokun's ending in Northern Qi was a success. He became an important supporter of Fan Xian and contributed to Fan Xian's control of Northern Qi.
Yes, Guo Baokun stayed in Northern Qi. He chose to stay in Northern Qi and become Fan Xian's spy, helping Fan Xian complete his mission and save his father. Although Guo Baokun was portrayed as a clumsy and cute character in the play, he was very obedient and completed the task Fan Xian gave him.
Guo Baokun had stayed in Northern Qi to save his father. Fan Xian had agreed to help Guo Baokun rescue his father on the condition that he stay in Northern Qi. Although Guo Baokun was described in the play as a timid and foolish character, there were two possible reasons why Fan Xian chose to keep him in Northern Qi. First, Guo Baokun's stupidity made him a decoration that posed no threat to others and could divert the attention of Northern Qi. Secondly, there might be another expert behind Guo Baokun. He only needed to cover for this expert. Although the details were not mentioned, these were speculations based on the search results provided.
Guo Baokun had stayed in Northern Qi to save his father. Fan Xian had agreed to help Guo Baokun rescue his father on the condition that he stay in Northern Qi. Although Guo Baokun was described in the play as a timid and foolish character, there were two possible reasons why Fan Xian chose to keep him in Northern Qi. First, Guo Baokun's stupidity made him a decoration that posed no threat to others and could divert the attention of Northern Qi. Secondly, there might be other experts behind Guo Baokun. He only needed to cover for this expert. Thus, Guo Baokun stayed in Northern Qi to save his father and become Fan Xian's spy.
Guo Baokun had stayed in Northern Qi to save his father. Fan Xian had agreed to help Guo Baokun rescue his father on the condition that he stay in Northern Qi. Although Guo Baokun was described in the play as a timid and foolish character, there were two possible reasons why Fan Xian chose to keep him in Northern Qi. First of all, Guo Baokun's stupidity made him a decoration that would not pose a threat to others. Secondly, Fan Xian might have other aces behind him. Guo Baokun only needed to cover for him. Thus, Guo Baokun stayed in Northern Qi to save his father and become Fan Xian's spy.
Guo Baokun had stayed in Northern Qi to save his father. Fan Xian had agreed to help him rescue his father on the condition that he stay in Northern Qi as a spy. Although Guo Baokun was not very intelligent and timid, there were two possible reasons why Fan Xian had chosen to keep him in Northern Qi. Firstly, Guo Baokun would not pose a threat to anyone. His stupidity could distract the Northern Qi people. Secondly, there was another expert behind Guo Baokun. He only needed to cover for the expert. Although staying in Northern Qi was a fate worse than death for Guo Baokun, he still agreed to Fan Xian's request. This was perhaps the most touching part of this character.