diff --git a/apps/drug_form/views.py b/apps/drug_form/views.py
index d23e034..b87caa7 100644
--- a/apps/drug_form/views.py
+++ b/apps/drug_form/views.py
@@ -54,14 +54,19 @@ def add_update_drug_form():
             setattr(obj, 'is_del', 0)
             bll_obj.update(obj)
         else:
-            obj = EntityMedicamentExtend()
-            for i in finds:
-                setattr(obj, i, request.values.get(i))
-            sort_index = bll_obj.execute(
-                "select max(sort_index) sort_index from rms_medicament_extend").fetchone()
-            setattr(obj, "sort_index", int(sort_index.sort_index or '0') + 1)
-            bll_obj.insert(obj)
-        return jsonify(Utils.true_return())
+            count_num = bll_obj.execute(
+                "select count(id) count_num from rms_medicament_extend").fetchone()
+            if count_num.count_num < 30:
+                obj = EntityMedicamentExtend()
+                for i in finds:
+                    setattr(obj, i, request.values.get(i))
+                sort_index = bll_obj.execute(
+                    "select max(sort_index) sort_index from rms_medicament_extend").fetchone()
+                setattr(obj, "sort_index", int(sort_index.sort_index or '0') + 1)
+                bll_obj.insert(obj)
+                return jsonify(Utils.true_return())
+            else:
+                return jsonify(Utils.false_return())
 
 @drug_form_router.route("/del", methods=["GET", "POST"])
 @token_auth.login_required