diff --git a/1623/2023-js-02/i/20230712_155543.jpg b/1623/2023-JS-02/i/20230712_155543.jpg
similarity index 100%
rename from 1623/2023-js-02/i/20230712_155543.jpg
rename to 1623/2023-JS-02/i/20230712_155543.jpg
diff --git a/1623/2023-js-02/l/20230712_155543.html b/1623/2023-JS-02/l/20230712_155543.html
similarity index 100%
rename from 1623/2023-js-02/l/20230712_155543.html
rename to 1623/2023-JS-02/l/20230712_155543.html
diff --git a/1623/2023-js-02/t/20230712_155543.jpg b/1623/2023-JS-02/t/20230712_155543.jpg
similarity index 100%
rename from 1623/2023-js-02/t/20230712_155543.jpg
rename to 1623/2023-JS-02/t/20230712_155543.jpg
diff --git a/1623/2023-mm-01/i/signal-2023-07-13-22-07-26-777.jpg b/1623/2023-MM-01/i/signal-2023-07-13-22-07-26-777.jpg
similarity index 100%
rename from 1623/2023-mm-01/i/signal-2023-07-13-22-07-26-777.jpg
rename to 1623/2023-MM-01/i/signal-2023-07-13-22-07-26-777.jpg
diff --git a/1623/2023-mm-01/l/signal-2023-07-13-22-07-26-777.html b/1623/2023-MM-01/l/signal-2023-07-13-22-07-26-777.html
similarity index 100%
rename from 1623/2023-mm-01/l/signal-2023-07-13-22-07-26-777.html
rename to 1623/2023-MM-01/l/signal-2023-07-13-22-07-26-777.html
diff --git a/1623/2023-mm-01/t/signal-2023-07-13-22-07-26-777.jpg b/1623/2023-MM-01/t/signal-2023-07-13-22-07-26-777.jpg
similarity index 100%
rename from 1623/2023-mm-01/t/signal-2023-07-13-22-07-26-777.jpg
rename to 1623/2023-MM-01/t/signal-2023-07-13-22-07-26-777.jpg
diff --git a/1623/2023-mm-02/i/20230712_154304.jpg b/1623/2023-MM-02/i/20230712_154304.jpg
similarity index 100%
rename from 1623/2023-mm-02/i/20230712_154304.jpg
rename to 1623/2023-MM-02/i/20230712_154304.jpg
diff --git a/1623/2023-mm-02/l/20230712_154304.html b/1623/2023-MM-02/l/20230712_154304.html
similarity index 100%
rename from 1623/2023-mm-02/l/20230712_154304.html
rename to 1623/2023-MM-02/l/20230712_154304.html
diff --git a/1623/2023-mm-02/t/20230712_154304.jpg b/1623/2023-MM-02/t/20230712_154304.jpg
similarity index 100%
rename from 1623/2023-mm-02/t/20230712_154304.jpg
rename to 1623/2023-MM-02/t/20230712_154304.jpg
diff --git a/1623/hfg-ka88/hfgapproach.jpg b/1623/HFG-KA88/hfgapproach.jpg
similarity index 100%
rename from 1623/hfg-ka88/hfgapproach.jpg
rename to 1623/HFG-KA88/hfgapproach.jpg
diff --git a/1623/hfg-ka88/hfgapproach_small.jpg b/1623/HFG-KA88/hfgapproach_small.jpg
similarity index 100%
rename from 1623/hfg-ka88/hfgapproach_small.jpg
rename to 1623/HFG-KA88/hfgapproach_small.jpg
diff --git a/1623/hfg-ka88/hfgcloseup.jpg b/1623/HFG-KA88/hfgcloseup.jpg
similarity index 100%
rename from 1623/hfg-ka88/hfgcloseup.jpg
rename to 1623/HFG-KA88/hfgcloseup.jpg
diff --git a/1623/hfg-ka88/hfgcloseup_small.jpg b/1623/HFG-KA88/hfgcloseup_small.jpg
similarity index 100%
rename from 1623/hfg-ka88/hfgcloseup_small.jpg
rename to 1623/HFG-KA88/hfgcloseup_small.jpg
diff --git a/1623/hfg-ka88/hfgent.jpg b/1623/HFG-KA88/hfgent.jpg
similarity index 100%
rename from 1623/hfg-ka88/hfgent.jpg
rename to 1623/HFG-KA88/hfgent.jpg
diff --git a/1623/hfg-ka88/hfgent_small.jpg b/1623/HFG-KA88/hfgent_small.jpg
similarity index 100%
rename from 1623/hfg-ka88/hfgent_small.jpg
rename to 1623/HFG-KA88/hfgent_small.jpg