diff --git a/.vscode/launch.json b/.vscode/launch.json
index 49b879c..37c4d42 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -52,6 +52,16 @@
             "program": "a200_漢字補注音.py",
             "console": "integratedTerminal",
         },
+        {
+            "name": "a300_漢字查標音",
+            "type": "debugpy",
+            "request": "launch",
+            "program": "a300_漢字查標音.py",
+            "console": "integratedTerminal",
+            "args": [
+                "凍"
+            ]
+        },
         {
             "name": "a400_反切查拼音",
             "type": "debugpy",
diff --git a/Kong_Un_V2.db-journal b/Kong_Un_V2.db-journal
new file mode 100644
index 0000000..f4e443c
Binary files /dev/null and b/Kong_Un_V2.db-journal differ
diff --git "a/a300_\346\274\242\345\255\227\346\237\245\346\250\231\351\237\263.py" "b/a300_\346\274\242\345\255\227\346\237\245\346\250\231\351\237\263.py"
new file mode 100644
index 0000000..f63f0d4
--- /dev/null
+++ "b/a300_\346\274\242\345\255\227\346\237\245\346\250\231\351\237\263.py"
@@ -0,0 +1,97 @@
+#==============================================================================
+# 輸入漢字，查詢廣韻反切標音
+#==============================================================================
+import os
+import sys
+
+from mod_廣韻 import (
+    cha_ciat_gu_ha_ji,
+    cha_ciat_gu_siong_ji,
+    connect_to_db2,
+    han_ji_cha_piau_im,
+)
+
+
+def main():
+    # 確認使用者有輸入反切之切語參數
+    if len(sys.argv) != 2:
+        print("請輸入欲查詢讀音之【漢字】(無需輸入切語之反切上字及下字)!")
+        sys.exit(-1)
+
+    beh_cha_e_han_ji = sys.argv[1]
+
+    # 連上 DB
+    with connect_to_db2('.\\Kong_Un_V2.db') as conn:
+        cursor = conn.cursor()
+
+        # 查漢字之切語
+        han_ji_piau_im = han_ji_cha_piau_im(cursor, beh_cha_e_han_ji)
+        if not han_ji_piau_im:
+            print("找不到此【漢字】!")
+            sys.exit(-1)
+        
+        ciat_gu = han_ji_piau_im[0]['切語']    
+        siong_ji = ciat_gu[0]
+        ha_ji = ciat_gu[1]
+
+        # 顯示結果
+        os.system('cls')
+        print('\n=================================================')
+        print(f'查詢漢字：【{beh_cha_e_han_ji}】')
+        print(f'切語：{ciat_gu}')
+        print(f'標音：{han_ji_piau_im[0]["漢字標音"]}')
+        print(f'字義：{han_ji_piau_im[0]["字義"]}')
+
+        # 顯示廣韻參考資料
+        print('\n-------------------------------------------------')
+        print('【廣韻查找資料】：\n')
+        print(f'目次：{han_ji_piau_im[0]["目次"]}，小韻字序號：{han_ji_piau_im[0]["小韻字序號"]}，小韻字：{han_ji_piau_im[0]["小韻字"]}')
+
+        # 查詢反切上字
+        print('\n-------------------------------------------------')
+        print('【切語上字】：\n')
+        siong_ji_im = han_ji_cha_piau_im(cursor, siong_ji)
+        siong_ji_piau = cha_ciat_gu_siong_ji(cursor, siong_ji)
+        if not siong_ji_piau:
+            print(f'查不到【反切上字】：{siong_ji}')
+        else:
+            print(f"切語上字 = {siong_ji} (標音：{siong_ji_im[0]['漢字標音']})")
+            print(f"聲母：{siong_ji_piau[0]['聲母']} [{siong_ji_piau[0]['聲母拼音碼']}]，國際音標：/{siong_ji_im[0]['聲母國際音標']}/ ")
+            print(f"(發音部位：{siong_ji_piau[0]['發音部位']}，清濁：{siong_ji_piau[0]['清濁']}，發送收：{siong_ji_piau[0]['發送收']})")
+
+        # 查詢反切下字
+        print('\n-------------------------------------------------')
+        print('【切語下字】：\n')
+        ha_ji_im = han_ji_cha_piau_im(cursor, ha_ji)
+        ha_ji_piau = cha_ciat_gu_ha_ji(cursor, ha_ji)
+        if not ha_ji_piau:
+            print(f'查不到【反切下字】：{ha_ji}')
+        else:
+            print(f"切語下字 = {ha_ji} (標音：{ha_ji_im[0]['漢字標音']})")
+            print(f"韻母：{ha_ji_piau[0]['韻母']} [{ha_ji_piau[0]['韻母拼音碼']}]，國際音標：/{ha_ji_im[0]['韻母國際音標']}/")
+            print(f"攝：{ha_ji_piau[0]['攝']}，調：{ha_ji_piau[0]['調']}聲，目次：{ha_ji_piau[0]['目次']}")
+            print(f"{ha_ji_piau[0]['韻系']}韻系，{ha_ji_piau[0]['韻目']}韻，{ha_ji_piau[0]['呼']}口呼，{ha_ji_piau[0]['等']}等 ({ha_ji_piau[0]['等呼']})")
+
+        # 組合拼音
+        tiau_ho_list = {
+            '清平': 1,
+            '清上': 2,
+            '清去': 3,
+            '清入': 4,
+            '濁平': 5,
+            '濁上': 2,
+            '濁去': 7,
+            '濁入': 8,
+        }
+        siann = siong_ji_piau[0]['聲母拼音碼']
+        cing_tok_str = siong_ji_piau[0]['清濁']
+        cing_tok = cing_tok_str[-1]
+        un = ha_ji_piau[0]['韻母拼音碼']
+        tiau_ho = tiau_ho_list[ f"{cing_tok}{ha_ji_piau[0]['調']}" ]
+
+        print('\n-------------------------------------------------')
+        print(f'【切語拼音】：{ciat_gu} [{siann}{un}{tiau_ho}]\n')
+
+
+if __name__ == "__main__":
+    main()
\ No newline at end of file
diff --git "a/a300_\346\274\242\345\255\227\346\237\245\346\213\274\351\237\263.py" "b/a301_\346\274\242\345\255\227\346\237\245\346\213\274\351\237\263_old.py"
similarity index 100%
rename from "a300_\346\274\242\345\255\227\346\237\245\346\213\274\351\237\263.py"
rename to "a301_\346\274\242\345\255\227\346\237\245\346\213\274\351\237\263_old.py"
diff --git "a/a400_\345\217\215\345\210\207\346\237\245\346\213\274\351\237\263.py" "b/a400_\345\217\215\345\210\207\346\237\245\346\213\274\351\237\263.py"
index aeafbd8..9cc7698 100644
--- "a/a400_\345\217\215\345\210\207\346\237\245\346\213\274\351\237\263.py"
+++ "b/a400_\345\217\215\345\210\207\346\237\245\346\213\274\351\237\263.py"
@@ -7,7 +7,7 @@
 from mod_廣韻 import (
     cha_ciat_gu_ha_ji,
     cha_ciat_gu_siong_ji,
-    connect_to_db,
+    connect_to_db2,
     han_ji_cha_piau_im,
 )
 
@@ -26,8 +26,8 @@ def main():
         sys.exit(-1)
 
     # 連上 DB
-    with connect_to_db('.\\Kong_Un_V2.db') as conn:
-        cursor = conn.curson()
+    with connect_to_db2('.\\Kong_Un_V2.db') as conn:
+        cursor = conn.cursor()
 
         # 根據反切上字和反切下字來查詢台羅拼音
         siong_ji = ciat_gu[0]
diff --git "a/docs/SDD-420_\346\274\242\345\255\227\345\273\243\351\237\273\346\250\231\351\237\263\346\252\242\350\246\226\350\246\217\346\240\274.md" "b/docs/SDD-420_\346\274\242\345\255\227\345\273\243\351\237\273\346\250\231\351\237\263\346\252\242\350\246\226\350\246\217\346\240\274.md"
index 03ca190..ef5d81e 100644
--- "a/docs/SDD-420_\346\274\242\345\255\227\345\273\243\351\237\273\346\250\231\351\237\263\346\252\242\350\246\226\350\246\217\346\240\274.md"
+++ "b/docs/SDD-420_\346\274\242\345\255\227\345\273\243\351\237\273\346\250\231\351\237\263\346\252\242\350\246\226\350\246\217\346\240\274.md"
@@ -71,3 +71,45 @@
    - 閩拼韻母: text 
    - 台羅韻母: text 
    - 方音韻母: text 
+
+## 舊版檢視SQL Script
+
+```sql
+CREATE VIEW 漢字查廣韻標音 AS
+SELECT
+    字表.識別號,
+    字表.字,
+    字表.同音字序,
+    字表.切語,
+    字表.拼音 AS 漢字標音,
+    字表.字義,
+    小韻表.小韻字,
+    小韻表.目次編碼,
+    小韻表.小韻字序號,
+    小韻表.小韻字集,
+    小韻表.字數,
+    切語上字表.發音部位,
+    切語上字表.聲母,
+    切語上字表.清濁,
+    切語上字表.發送收,
+    切語上字表.聲母拼音碼 AS 上字標音,
+    切語上字表.切語上字集,
+    切語下字表.韻系列號,
+    切語下字表.韻系行號,
+    切語下字表.韻目索引,
+    切語下字表.目次,
+    切語下字表.攝,
+    切語下字表.韻系,
+    切語下字表.韻目,
+    切語下字表.調,
+    切語下字表.呼,
+    切語下字表.等,
+    切語下字表.韻母,
+    切語下字表.切語下字集,
+    切語下字表.等呼,
+    切語下字表.韻母拼音碼 AS 下字標音
+FROM 字表
+JOIN 小韻表 ON 字表.小韻識別號 = 小韻表.識別號
+JOIN 切語上字表 ON 小韻表.上字表識別號 = 切語上字表.識別號
+JOIN 切語下字表 ON 小韻表.下字表識別號 = 切語下字表.識別號
+```
diff --git "a/mod_\345\273\243\351\237\273.py" "b/mod_\345\273\243\351\237\273.py"
index 6315c92..8fc0f7f 100644
--- "a/mod_\345\273\243\351\237\273.py"
+++ "b/mod_\345\273\243\351\237\273.py"
@@ -38,7 +38,7 @@ def connect_to_db2(db_path):
     conn = sqlite3.connect(db_path)
 
     # 創建一個游標
-    cursor = conn.cursor()
+    cursor = conn.cursor()  # noqa: F841
 
     return conn