random pid fix

app.py

@@ -46,7 +46,7 @@ if 'inserted' not in st.session_state:
         st.session_state[field] = ''
 
     st.session_state.user_id = str(random.randint(100000, 999999))
-    st.session_state.random_pid = st.query_params['id']
+    st.session_state.random_pid = st.query_params['id'] if 'id' in st.query_params else "0"
     
     st.session_state.recycling = 0
 
@@ -58,6 +58,8 @@ if "page" not in st.session_state:
     st.session_state.page = 1
 if 'p' not in st.query_params:
     st.query_params['p'] = 'g'
+if 'id' not in st.query_params:
+    st.query_params['id'] = st.session_state.random_pid
 
 ### App interface 
 with st.sidebar: