diff --git a/万维调考试题源码/error/10-2.c b/万维调考试题源码/error/10-2.c
index 0940bfb..33a194a 100644
--- a/万维调考试题源码/error/10-2.c
+++ b/万维调考试题源码/error/10-2.c
@@ -29,12 +29,25 @@ char *fun(char input[])
     }
     int outputIndex = 0;
     /**********Program**********/
-    int i;
+    int i,s,t;
     for(i=0;i<len;i++){
-    	while(input[i]=='['){
-    		
+    	if(input[i]=='['){
+    		i++;
+    		s=0;
+    		while(input[i] <'a'||input[i]>'z'){
+    			s=s*10+(input[i] - 48);
+    			i++;
+			}
+		}
+		while(s>0){
+			t=i;
+			while(input[t] != ']'){
+				output[outputIndex++] = input[t++];
+			}
+			s--;
 		}
 	}
+	output[outputIndex] = '\0';
     /********** End **********/
     return output;
 }