diff --git a/题库0.3/Problems.json b/题库0.3/Problems.json
index 7a7b3471..b70b3534 100644
--- a/题库0.3/Problems.json
+++ b/题库0.3/Problems.json
@@ -591130,7 +591130,7 @@
     },
     "021741": {
         "id": "021741",
-        "content": "判断题:(填``真''、``假'')\\\\\n(1) $0 \\overrightarrow {a}=0$, \\blank{20};\\\\\n(2) 对于实数$m$和向量$\\overrightarrow {a}$、$\\overrightarrow {b}$, 恒有$m(\\overrightarrow {a}-\\overrightarrow {b})=m \\overrightarrow {a}-m \\overrightarrow {b}$, \\blank{20};\\\\\n(3) 若$m \\overrightarrow {a}=m \\overrightarrow {b}(m \\in \\mathbf{R})$, 则$\\overrightarrow {a}=\\overrightarrow {b}$, \\blank{20};\\\\\n(4) 若$m \\overrightarrow {a}=n \\overrightarrow {a}$($m$、$n \\in \\mathbf{R}$且$\\overrightarrow {a} \\neq \\overrightarrow{0}$), 则$m=n$.",
+        "content": "判断题:(填``真''、``假'')\\\\\n(1) $0 \\overrightarrow {a}=0$: \\blank{20};\\\\\n(2) 对于实数$m$和向量$\\overrightarrow {a}$、$\\overrightarrow {b}$, 恒有$m(\\overrightarrow {a}-\\overrightarrow {b})=m \\overrightarrow {a}-m \\overrightarrow {b}$: \\blank{20};\\\\\n(3) 若$m \\overrightarrow {a}=m \\overrightarrow {b}$($m$是某个确定的实数), 则$\\overrightarrow {a}=\\overrightarrow {b}$: \\blank{20};\\\\\n(4) 若$m \\overrightarrow {a}=n \\overrightarrow {a}$($m$、$n \\in \\mathbf{R}$且$\\overrightarrow {a} \\neq \\overrightarrow{0}$), 则$m=n$: \\blank{20}.",
         "objs": [],
         "tags": [
             "第五单元"
@@ -591151,7 +591151,8 @@
         ],
         "origin": "2025届高一下校本作业",
         "edit": [
-            "20230209\t王伟叶"
+            "20230209\t王伟叶",
+            "20240215\t王伟叶"
         ],
         "same": [],
         "related": [],