fix error

core functions/气水两相流部分代码/mainRS_MB_gas_water_flow.m

@@ -130,6 +130,7 @@ while t < tend
         if dt >= dtmax(k)
             dt = dtmax(k);
         end
+        emit_progress(w, sprintf('Progress: %.4f / %.4f day', t, sum(time)), count, t, dt);
         if i ~= Nmax
             % waitbar(t / tend);
             % disp(t);
@@ -147,7 +148,21 @@ trun.leqs_solve_time=leqs_solve_time;
 trun.total_simulation_time = etime(clock,t_start);
 trun.Newton_step=Newton_step;
 trun.Newtons_vs_time=Newtons_vs_time;
+emit_progress(w, 'Calculation completed', count, t, dt);
 fprintf('计算完成');
 % close(h0);
+end
 
+function emit_progress(w, message, step, time_value, dt_value)
+if ~isfield(w, 'progress_callback') || isempty(w.progress_callback)
+    return;
+end
 
+meta = struct( ...
+    'step', step, ...
+    'time', time_value, ...
+    'dt', dt_value, ...
+    'status', 'Running...');
+
+feval(w.progress_callback, message, meta);
+end