完善AMESim组件界面与仿真求解稳定性

app/simulation/components/amesim/junctions/nodes.py

@@ -91,7 +91,7 @@ class AmesimPn3Node2(_AmesimPneumaticNode):
         label="PN3NODE2 三端气动节点",
         library_id="amesim",
         category_id="junctions",
-        symbol="tee",
+        symbol="amesim_pn3node2",
         ports=(
             PortDisplaySpec("port_1", "left", order=10),
             PortDisplaySpec("port_2", "right", order=20),
@@ -128,7 +128,7 @@ class AmesimP4Node2(_AmesimPneumaticNode):
         label="P4NODE2 四端气动节点",
         library_id="amesim",
         category_id="junctions",
-        symbol="generic",
+        symbol="amesim_p4node2",
         ports=(
             PortDisplaySpec("port_1", "left", order=10),
             PortDisplaySpec("port_2", "right", order=20),